Product Name : Ear Model
Product Description : Human Ear Model
Product Name : Heart Model
Product Description : Available : Two / Four Parts
Product Name : Teeth With Jaw Model
Product Name : Circulatory System Model
Product Name : Torso Big
Product Description : Sexless, dissectable into nine parts on wooden base.
Product Name : Skeleton Model Big
Product Description : Full size made from fibre glass & plastic calculated.
Product Name : Lungs with Heart Model
Product Name : Reproductive System Female Model
Product Name : Brain Model
Product Description : Available : Two / Four Parts
Product Name : Frog Model
Product Description : Dissection Mounted on board. Avaialble : Small / Big Size
Product Name : Plant Cell
Product Name : Types of Bacteria
Product Name : Eye Model
Product Description : 3 Time enlarged, dissectable into 7 parts.
Vernier Callipers with Digital Read
Product Description :
Conversion button, on/off switch and zero setting switch. Metal knob for locking the device is provided at the top.
Micrometer with rachet stop, dull chromium plated brass body, accurately threaded M.S.. rod.
Zero Correction screw is provided at one end of the body.
Packed individually in beautiful printed duplex box. Pitch 1mm
Avaialble : 10 / 15 / 20 / 25 mm
For taking direct readings. The micrometer is provided with mm/ inch conversion button, on/off switch and zero setting switch. Lever for locking the device is provided at upper part of the body. Battery compartment is at the back of the body.
Brass scale and disc, base fitted with threaded rod and legs,packed duplex box. L.C.1/100mm
Heavy and superior quality packed in printed duplex box. L.C.1/100mm
Tested, presented in seasoned cabinet polished velvet lined box packed in printed duplex box.
Avaialble : 50 / 100 / 200 gms
Brass NP, cabinet polished wooden box, duly tested, packed in printed duplex box.
Avaialble : 50 / 100 / 200 / 500 / 1000 gms
Iron Black painted set of five including hanger
Iron Black painted set of five including hanger
A 500 gms x 5 2.5 kg
B 1000 gms x 5 5.0 kg
Tubular body in card box.
Avaialble : 50 / 100 / 200 / 500 gms
Smith type, fly back action, metal body with new machine. Stop Start Lever at right side. Left side has lever to bring the needle to zero after mechanism has stopped. Least Count = 1 sec.
Start / stop operation is by means of a mini toggle switch and reset by a push button. range 999.9 sec. with resolution of 0.1 sec. workable on 230V AC.
1/5 & 1/10 mechanical in metal case. Push Buton at top works as start & stop switch. Third press of the switch brings the pointer to zero.
Superior, optically true, back nicely silvered with protective coating, any lenght from 15 to 100 cm. DIA
A 50 mm Any Focal Lenght
B 100 mm Any Focal Lenght
Highly polished and well edged, manufactured from plate glass optically true:
Diameter Focal Length
(I) (II) (III)
A 50MM 5cm 5cm More than 10cm
B 100MM 10cm 10cm More than 10cm
Highly polished and well edged, manufactured from plate glass optically true:
Diameter Focal Length
(I) (II) (III)
A 50MM 5cm 5cm More than 10cm
B 75MM 10cm 10cm More than 10cm
With metal handle, brass C.P. ring. FL 20 to 100cm Available : 50 / 75 / 100 mm Diameter
Made from superior quality moulded glass with glossy surface.
A. 75 X 50 X 12 MM
B.75 X 50 X 18 MM
C.100 X 60 X 18 MM
D.100 X 60 X 25 MM
Quilateral, highly polished surface.
Available : 38 mm / 50 ml
5x21/2 inch pasted on wooden stand complete.
All metal fitted on metellic base.
(Bird & Cage app. ) Battery Operated.
Single Aluminium body
A pair of glasses. One plane, other convex 50mm in metal frame with three screws for applying pressure.
Lens Holder
Metal on adjustable stand.
Brass on adjustable metal stand.
Wooden Polished.
Wooden Polished
In metal frame an adjustable stand
Candle Holder
On adjustable metal stand
Available : 6 / 9 mm
Available in Wooden / Brass
Made from wood Polished
Big / Small
With three windows, bulb holder & lead wire.
Complete Workable on A.C. Mains
2" / 3" / 4"
Set of 6 different metal cylindres, (Brass, Aluminium, Copper, Zinc, Iron and lead) All surfaces & edges are smooth.
Available : 25 x 12 / 37 x 12 mm / 50 / 12 mm
Set of 6 different metal cubes, (Brass, Aluminium, Copper, Zinc, Iron and lead) All surfaces & edges are smooth.
Avaialble size : 10 / 20 / 25 mm
Set of 6 different metal boobs with hook, (Brass, Aluminium, Copper, Zinc, Iron and lead)
Avaialble size : 10 / 20 / 25 mm
Wooden, set of 12 or 16 in box, includes major shapes used in physical & mathematics
Available : 3"/ 6" x 4" / 12" x 6"
Geometrical Instrument Box Plastic
Working Model Fitted on sunmica base with LED, packed in card box Available in AC/DC, AC, DC
It can work as a dyamo as well as motor, provided with U shape magnet, LED with holder, provided with terminals, fitted on sunmica clad wooden base, packed in card box.
Mounted on sunmica clad wooden base, packed in card box.
Disc 6 hand operated, on metal base.
Double cotton covered (DCC) for connection. S.W.G. 22, 24 (a) 100 gm reel (b) 500 gm reel
S.W.G. 22, 24, 100 gm reel
S.W.G. 22, 24, 100 gm reel
S.W.G. 22, 24, 100 gm reel
150 mm x 3/8" Dia
In bell jar with aluminium parts.
Fitted on stand with an isulated arm.
Made of Brass, fitted on insulated stand, provided with cone, sphere and cylinder.
Heavy with brass terminal, Size 6" x 2"
Heavy with brass terminal, Size 6" x 2"
With Brass terminal 150 x 9 mm
With Brass terminal 150 x 9 mm
Pot 140 x 60 mm
Fitted on base provided with three different material
Comprising of PVC jar 150 x 100 mm, Zinc and Copper Plates, fitted on Bakelite cover with LED
To draw current in open or closed circuit, comprisiong of polished copper vessel with terminal, empty porous pot covered with copper lid and a zinc rod.
To draw strong current for short durations, comprising a thick plastic jar, charged porous pot and zinc rod.
With acrylic cup and two glass burettes
With heavy transformer, bridge rectifier, rotary switch for outpou selection, on / off switch, workable on 220 votls AC mains with safety fuse.
A 1 Amps. 2-12 Volt DC
B 2 Amps. 2-12 Volt DC
C 3 Amps. 2-12 Volt DC
A useful device with integrated circuits and heavy duty transformer. Output voltage is provided through a slector switch, with jewel light, safety fuse and lock type terminals.
A 2-12 volts DC at 1 Amp
B 2-12 volts DC at 2 Amp
C 2-12 volts DC at 3 Amp
Workable on 230 volts AC with heavy tranformer, bridge rectifier, ammeter, current control switch and safety fuse, DC output 6/12 volts selectable. Available : 1 Amp / 2 Amp / 3 Amp
Fitted in metal Box. Output 2,4,6,8,10,12 volts AC input - 220 volts Available : 1 Amp / 2 Amp / 3 Amp
Mass Type, 2 Volts, Plastic Container with moulded lid and terminals
A B C
20 Ah 45 Ah 6 Volts, 7 Plates
Capable of provinding higher current for sduration.
With three stone agate, capacity 250 gm, sensitivity 5 mg on wooden base with levelling screws, fitted on in glass showcase.
Made from seven selected stone agate, provided with rider attachement, capacity 200 gm sensitivity 1/5 mg, brass bean has 50 engraved divisions on either side, each division represent, 1/5 mg rider on scales, detachable pans are suspended from double hooks, mounted on wooded base with leveling screws and etakwood showcase.
For direct reading with sliding riders, fitted on metal base, mass can be weighed with following facilities
Top Beam 10 x 10 gm
Middle Beam 100 x 10 gm
Lower Beam 1 x 0.01 gm
Senstivity 10 gm
Capacity 111 gm
Double pan, packed in wooden box without wieght. Capacity 100 gm
Maximum Capacity 120 Kg. least count 0.5 kg. zero adjustment disc provided.
For laboratory and domestic use only.
M.I.P. type with handle, multi brush sweeping contacts move over either with a handle fitted on thick bakelite base.
Top pan digital display battery / mains operated. Seek and elegant. Simple to use. Easy to store Operates on four 1.5 Votls (AA size) battery.
Can be used with 6 volt adapter. Low battery indicator.
Overload Indicator. Mode function allows weight to be display in a gram or ounces. ON/TARE function to reset scale to zero, to wieght additional quantity.
Capacity 300 gm, Sensitivity 10 mg.
Made from 7/10" thick brass block, fitted on heavy bakelite base, brass plugs and lugs are thorughy interlaped for perfect locking, packed in individual duplex box.
Available : One / Two / Three Way
Fitted on thick bakelite base with Brass C.P. points insulated knob and terminal, max. current 5 amp. packed in individual duplex box.
Range Total Resistance in Ohms
a 0.1 to 1 2
b 0.1 to 5 11
c 0.1 to 10 21
d 0.1 to 50 111
e 0.1 to 100 211
f 0.1 to 500 1111
g 1 to 10 20
h 1 to 50 110
i 1 to 100 210
j 1 to 500 1110
k 1 to 1000 2110
l 1 to 5000 11110
m 1 to 10000 21110
Designed for quick and accurate work, resistor values shown on thick bakelite sheet and read by a pointer, each dial consistas of 10 steps, superior quality switches are used to ensure low contact resistance, moving contacts aremade from phosphorous bronze lamination to ensure long life, fitted on spray painted box accuracy + 1 %
Wound with hanthal wire on 5.6cm dia tube, most suitalbe for high current temperature resistance 200 °C above room temeprature very useful for industries projects and research laboratories.
High quality paper condenser fitted in teak wood box with ebonite top and terminals (Microfarad = µfd)
A B C D E
0.01µfd 0.2 µfd 0.5 µfd 1.0 µfd 2.0 mfd
A simple instrument to teach student the techniques and method of e.m.f. measurement, fitted on nicely polished plywood base with sunmica top, solf wood gradutated scale 100 cmx 1 mm, resistance wire is streched along the ends of meter scale, brass CP connecting strips and brass terminals, provided with pencil jockey.
Avaialble : 4 Wire / 10 Wire
The slide wire 50 cm long is fitted over graduated plate divided in 500 part. The jockey is of superior type and slides on the metal rod. The dial consists of 14 coils connected in series to the slide wire. Terminals for battery, galvanometer and test circuit are provided on the panel.
Consisting of heat treated winding of the purest form of platinum having resistance of 2.8 ohms, enclosed in aborosilicate glass grounded tube, provided with four terminal, tow for non inductive winding and two for conpensating leads.
(Wheatstone Bridge) One meter long, provided with four gaps/ two gaps, plywood base and sunmica top, graduated scales, constantan wire is streched on top of meter scale brass C.P. Strip aend gaps can be closed by removable brass strips and brass terminals are provided to reduce resistance.
With Pencil Jockey
With pressing Jockey Brass
Callender and Griffith’s Bridge, Carry Faster Bridge and Potentionmeter combined in one instrument. It is an improvement over the potentiomenter. 50 cm long slide wire of 1 ohms resistance is calibrated into 100 equal parts. 14 coils are arranged in series in dial form each being of 1 ohms resistance, terminals arranged for appropriate working of different instruments, jockey sliding on brass rod, accuracy of adjustment ± 0.05 %
For comparision of capacities of condenser. it consists of an AC source, a detector, 5 unknown values, Circuit diagram is printed on board and 2 ratio dials of X10 & X100 are provided Accuracy
± 0.05 % to ± 0.1 %
It is fully portable with build in galvanometer and battery, designed to provide an accurate and sensitive measurement of resistance and locating faults in cables by adopting the Murray and Varley loop circuit for tests. Separate terminals for current, battery and galvanometer are provided on bakelite panel. Range
: 0.001 ohms to 11.11 megohms Constantan coil, accuracy ±0.1 %
For precise measurement of low resistance, capable of measuring resistance from 0.1 micro ohm to 1.1 ohms. Ten standard resistance fo manganin are provided in steps of 0.01 oh each in dia form with five multiply ratio of 0.001, 0.01, 0.1, 1 and 10 ohms.
Ther circular slide wire of 0.01 ohms is also made from thick manganin wire having extremely low temperature coefficient. Calibrated to ± 0.05 to 0.02 % with heavy construction.
Same as 633,
Range - Miliammeter - 100 mA, 250 mA, 500 mA etc.
Range - Microammter 50 uA, 100 uA, 250 uA and 500 uA
3½ Digit Display with 9 volt battery. Range Avilable
DC Current - 199.99uA 1.99mA 19.99mA 199.9mA. 19.99 A DC Voltage - 199.9mv 1.99V 19.99V 199.9V
The demostration meter is used to demostrate the working principle of AC and DC Ammeter, Voltmeter and Galvanometer with the help of interchangeable plastic Scales. Amagnetically damped spring controlled moving coil movement is housed in a plasic case with glass front and rear panel. A pair of 4 mm socket terminals is give on the right side to apply voltage and current. A special locking arrangement and a centrl / side zero adjustment control is given on the left side with the help of two knobs.
The interchageable scales are boldy marked on both sides enabling the class to view from the front and the demostrator from the rear. Each scale is fitted through a slot on the right side of the case and has a plug connector which also serves to locate and align the scale positively in position. Locking system is provided to lock the pointer to aovid damage is transist.
Basic Movememt : 5mA - 100 m V F.S.D. Scale Lenght : 200 mm approx.
Accuracy : ± 2.5 % F.S.D.
Dimensions : 300 x 150 x 300 mm approx. Weight : 2 kgs. approx.
Supplied with three standard scales.
A multi range instrument for measurement of voltage, current and resistance. Moving coil meter having red pointer over two colour scale. Complete with test leads, probes and internal battery.
Having standard winding of 2-5-50 or 2,50,500. The bakelite ring with winding it mounted on bakelite base with four terminals. No. of turns is marked betwee the terminals. Th whole assembley rotates on a non magetic tripod base with non magnetic levling screw, Compass box is mounted on non- magetic metallic cup and is free to roated around it. Compass box is graduated in degrees.
Avaialbe in Alumminu Parts / Brass Parts
To dtermine the variation of magnetic field along the axis of a coil, a circular non magnetic frame has copper wire wound on it. The ends of wire are connected to terminals on wooden board.
Aluminium rods are graduated upto 50 cm on both sides. A permanent magnet compass siting on a non magnetic platform travels on alumimium rod.
Suitable for use with ballistic galvanometer, provided with 6 volt step down transformer, 6V / 20 W lamp housed in metal container, a translucent perspex scale attachment graduated in 25-0-25 or 0-50 cm plug and cord
Higly sensitive instrument to be used as null detector in wheatstone bridge and potentiometer experiments, with built in lamp and scale arrangement in bakelite case, a sensitive moving coil system is suspended in a taut band manner in a uniform field of permament magnet.
Zero adjustment knob is provoed to set spot of light. time period app 1.58 second working on 220 V AC available in two different coil resistance.
Available : 100 / 600 ohms
Fitted on board with banana socket and circuit diagram
Fitted on board with banana socket and circuit diagram
Fitted on board with banana socket and circuit diagram
Mounted on board with banana socket and circuit diagram
To verify Ohm’s Law, consists of one dial type rheostat, M065 moving coil voltmeter 5 volt & miliammeter 500 mA, mounted in spray pointed metal box with terminals, Supplied without resistance coil and power supply.
Versatile instrument to verity ohms law as well as law of resistance in series & parallel, consists of two meter, five transparent resistance coils and a step down transformer giving 1.5, 3, 4.5 volts, housed in metal case & provided with on/off witch, LED indicator and lead wire
Continously variable with two MO65 moving coil analog meters. The unit is fabricated keeping stringent engineering standards in mind and susing best available components.
The unit has voltmeter and ammeter, pilot light, on/off switch and provided with 2 terminals for output along with four knobs for coarse and fine voltage an current control
Available : 15/30 Volt, 1 Amp
Basic feature are the same as 653 but output is displayed on two 3½ digit panel meter.
Available : 15/30 Volt, 1 Amp
With built - in power supply and two MO65 moving coil meters, workable on 230 volts AC fitted with diode valve on front panel. Consistof
Hight voltage : 0-250 volts AC at 25 mA continously variable
Low voltage : 6.3 volts AC at 2 amps with built in rheostat for filament current control.
With built - in power supply and two MO65 moving coil meters, workable on 230 volts AC fitted with triode valve on front panel. Consist of Hight voltage : 0-300 volts AC at 30 mA continously variable Bias : 0-15 volts DC at 5mA continously variable.Low voltage : 6.3 volts AC at 2 amps with built in rheostat for filament current control.
PN Junction Diode App.) with built in dual power supply, workable on 230 volts AC, fitted wtih semi conductor diode and meter connection are brought out on panel with separate terminals, Four MO 65 moving coil meters 90 V, 100uA, 3V and 15 mA are provided.
Output Bias : 0-1 volts DC continously variable (for forward bios)
Input Bias : 0-30 volts DC continously variable (revese bias)
Same as 657 but with 2 dual range MO65 moving coil meters
With built in dual stabilized continously variable power supply, workable on 230 Volts AC, fitted with PNP transistor AC 128 on front panel, different terminals of transistor and meter connection are brought out on the panel with separate terminal, fitted with four MO 54 moving coil mters of 3V, 250uA, 50mA, 10V.
To study Efficiency & Ripple factor in Half wave, Full wave & Bridge rectifier on application of load & filters, instrument compresies of AC power supply, two MO 65 moving coil meter 20V and 250 mA to measure output voltabe & output cuurent, four diiodes, fitlr cicuit kit, load resistance ca, be selected using band switch
With built in stabilized power supply, workable on 220 volt AC, fitted with FET FW 10, power supply and three MO 65 moving coil meters, 3V, 15 mA, 15V.
With built-in dual stabilized power supply workable on 220 volts AC, fitted with UJT 2N 2646 on front panel, different terminals of UJT, power supply and meter connections are brought out on the panel, fitted with three MO 65 moving coilt meters 15v, 1.5 / 60mA-dual range and 30 V.
Provideed with two AC meter 5V and 25mA, one inductance, three resistances and three capacitors with separate terminals for measurement of ‘Q’ value.
With built in power supply having 2 meters, workable on 220 volts AC photo electric cell mounted in a metal box with slit to hold filter, provied with light source.
To Study RC time constant during chargin and discharginf o capacitor, with built in sabilized power supply, workable on 220 volt AC, three differenct resistances and capacitors are mounted with separate terminals for different graphs, provided with DC Voltmeter & Milliammeter
With built in power supply to operate cathode ray tube, on voltmeter shows deflection voltage, C.R.T is mounted on teak wood stand with graph. Anothre wooden stand is provided to hold bar magnets and deflection magnetotomer.
To study frequency and waveshape generated by Colpitt Oscillator, instrument comprises of 12 V DC regulated power supply.
To study frequency and waveshape shift Oscillator instrument compreses of 12V DC regulated power supply, printed cicuit diagram & components mounted on fron panel.
Range 1 Hz to 100 Khz in five bands, Sine, Square nad Triangular wave with output voltage variable upto 20 volts peak to peak at
Wit built in stabilized power supply, workable on 230 Volts AC, thermister fitted with built in oven and thermometer is mounted on front panel, a heat control switc, on mili ammeter 10mA, on voltmeter 10V and separate terminal for thermister are provided.
Instrument comprises of DC regulatored power supply, printed circuit diagram and component mountedon the fron panel
Instrument comprises of two DC regulated power supplies of 0-5 Volts and ±15 volt on digital meter to measure input and output voltages, combination of reistances, capacitors mounting on fron panel
To plot reverse saturation current Vs temeprature in reverse biased PN junction diode, instrument comprises of DC regulated power supply 0-20 Volts / 150mA two MO 65 moving coil meters 20 V and 100 uA for voltage & current measurement, on PN Junction diode (GeType) Kept in oven with temerpature control knob
To draw V I characteristics of solar cell, instrument comprises of moving coil meters fitted on panel with power supply, lamp house solar cell mounted supplied with wooden plank
Verification of KCL and KVL
To trace hystersis curves on CRO using resistance, capacitance & inductance, instrument comprises of AC power supply 3-15V AC, output selectable using band switch, printed circuit diagram components connected behind the front panel, provision for connecting external inductance is given input & out connections brought out at sockets
Dual trace, Band Width DC to 20 MHzWorkable on 220Volt, 50 Hz. Vertical deflection coefficients 5 mV to 20 V/div., time base 20ns-0.2s/div., variable hold off, X10 magnification, Triggering DC 20 Mhz., active TV Sync Sep., Alternate triggering, LED indication for stable triggering, XY mode, Z modulation, saw tooth output (5 Vpp spptoc.), component tester, 2 level calibrator.
Signal bandwidth 25MHz., independent vertical scale and position control knobs for each channel, 24 parameters of automatic measurements, low-pass, high-pass, band-reject digital filters with adjustable cut-off frequency, advanced cursor mode, manual, auto and track
To calculate dielectric constant of solids. The instrument consists of high frequency oscillator of tuneable frequency, optimum tunning of oscillator can be measured using outer gang condenser. Dielectric is placed between parallel plates, change is detected and difference is noted for calculation.
Kit is based on 8085 Microprocessor designed to provide ease in interaction with 8 bit Microprocessor capabilities.
This kit can be use to train engineers about the Microprocessor Technology to control any industrial process and to develop Software for 8085 system.
This it has a powerful monitor in 4/8 bytes EPROM. The monitor cab ne extended to incorporate an Assemble and Disassembler for 8085.
The input/output structure includes programmable 24 I/O lines. It has got 16 bit programmable Time/Counter using 8253 for generation of any type of counting.
Based on intel 8086 CPU operating at 2.5/5 MHz. Provided with on board sockets, 16 K bytes of RAM, 72 I/O lines, 16 bit timer, RS-232 cord, 28 keys, hexadecimal keyboard, 8 seven segment display with powerful software commands and inbuilt power supply. Provided with detailed users manual
The experiment consists of the following : Four Probe Arrangement Oven (upto 200-C)Sample : GE Crystal Mounted Thermometer (0-200-C)
The setup consists of electromagnet of 7.5Kg. Power supply for electromagnet 0-100V/4 amps, germanium crystal mounted, constant current power supply 0-20 kilo Gauss and hall probe.
It is a simple device to determine the ultrasonic velocity in liquids the principle is based on accurate measurement of wave length in the medium Ultrasonic wave s of known frequency are produced by a quartz plate fixed at the bottom of the cell.
The waves are reflected by a movalbe metallic plate. If the separation between these plates is exactly whole multiple of sound wavelength, standing waves are formed.
The acoustic resonance gives rise to electrical reaction on the generator and anode current becomes maximum. From the knowledge of wavelength, velocity can be obtained.
To determine velocity of ultrasonic waves in a liquid, complete apparatus consists of high frequency R.F. Oscillator 3-8 MHz, Crystal with tank, long tube Spectrometer with 7 "protracted circle, sodium lamp with wooden box and transformer
A basic instrument for performing spectroscopy experiments, designed to give best possible results, mounted on stable cast iron base, protracted scale 150mm is divided on precision machine, vernier reading 1 min., telescope is fitted with 25mm dia. and 178mm focal length achromatic objective, 10x Ramsden eye piece and cross line graticule, collimeter has an adjustable precision slit of 6mm long jaws of non rusting metal, 8cm dia. prism/grating table is adjustable and has engraved ring pattern.
Supplied in a beautiful plywood box with prism holder and grating holder
(Vernier Microscope) : Consists of cast iron base with machined V-shape vertical pillar, microscope tube consists of 10x eye piece and on achromatic objective of 50-75 mm working distance, embedded stainless steel horizontal scale is graduated upto 17cm and vertical scale 15cm, vertical and horizontal slide can be clamped at any position using clamping screw, fine motion is brought about be micrometer screws, horizontal and vertical vernier of 0.01mm are provide along with two levelling screws, packed in plywood box.
Same 1335 but provided with bi-quartz in place of half shade. Available : Closed / Open Model
Compact form with all the necessary arrangements for conducting Newton’ Ring experiment, a standard microscope until with 30x magnification and rotatable cross line, the microscope tube unit can be raised of lowered and can be clamped in any desired position, the Newton Ring set consisting of one plain and one plano convex lens placed in a metal case resting over the stage of the instrument which can be adjusted for the alignment and adjustable reflector plate is fitted in the required direction, a condenser lens is provided in front of reflector, supplied in beautiful storing cabinet
It consists of two identical units each with poloroid disc in a rotatable mounts, brass scales are divided into 3600 with least Count of 1 min
It is divided in two parts :(i) Mechanical,a) Bed : It is optically ground and stable.Lead Screw : It is also optically ground and stable.Optical Mirror Mount : Kinematic mirror mounts are provided to hold the mirror.(ii) Optical Part Beam Splitter : It is optically work with 2/10 surface flatness.b) Compensating Plates : Two plates are provided. Mirrors : 2 Nos mirror of focal length 25mm are provided
A simple and sensitive polarimeter designed on Laurent’s half shade system for accurate results, equipped with polariser, analyser and half wave mica plat, precisely graduated scale mounted on strdy tripod stand with provision of height adjustment, complete with 200 mm tube.Range of Measurement : 0 to 3600. Telescopic Magnification : 5x vernier accuracy : 0.10.
200mm long tube with bulb in the centre, packed in velvet box
Metal box wiht piano type on/off switch. Out put is through a 3 socket. The trnsformer is auto leak type and gives starting voltage of 440V which reduces itself when the lamp glows.Available : 35 / 55 wallt.
To demonstrate the phenomenon of interference of light using bi-prism and to understand the concept of interference, image formation width of fringes. It consists of 1 1/2 meter long stainless steel double rod optical bench with following accessories.Biprism holder having fine radial motion by screws. Adjustable slit with ground ss jaws Micrometer Eye Piece Ramsden’s 10x, carried on a slider which moves along a micrometer screw.Automatic lens holder with spring action for equal opening and closing of both ends
Low Pressure lamp giving spectral lines in 58890 A and 58950 A wavelenght range.Available : 35 / 55 Watt
With a rated output of 80 watt, this source provides sufficient intensity of white light for almost any experiment
Same as wooden box for sodium vapor lamp but slightly smaller
Wooden box with slits on three sides to perform 3 experiments at a time, each slit has two riders to adjust the lenght of slit or close it when no experiment is being performed.Regular quality made of ordinary wood.Deluxe quality made of superior wood and has different sized slits for different experiments. The height of the box can also be adjusted to suit the requirements of the experiment
Amounted on nice duco painted round cost iron heavy base with three levelling screws and 25mm dia and 450mm long steel pillar. The telescope is provided with high class optical combination and brass. C.P. fittings, provision for up and down, to and from moting is incorporated, complete with perspex scale and scale and scale holder.
For demonstration of interference, diffraction and holography. Laser source and switch mode power supply are housed in a thick aluminium box with a hole through which laser beam comes out. The laser unit is mounted on a precision 1 meter double rod SS optical bench. Intensity of laser beam is 2mW and it is red in color. Input power is 220V AC. Minimum operating life is 15,000 hrs. and shelf life is 10 year. The unit is supplied with single slit and diffraction gratingAlthough this is a very safe equipment to handle still a few precautions will ensure proper safety and long life viz.
Operate the laser at least once in a fortnight
Diode Laser Assembly
Workable on 230V AC, it gives stabilized power output of 2 amp. 12V DC, housed in sturdy metal box.
The apparatus consists of heavy metal base 9x6, iron road, one set of clamp & boss-head, split rubber cork and 1” brass bob with thread.
Set of three half meter scales on wooden stand, supplied without weights
60cm long, fitted with glass plate and clamping arrangement to change angle, provided with frictionless pully, metal roller, scale-pan and graduated arc.Available : Aluminium / Brass
To study laws of friction. 60cm long wooden board, fitted with glass plate, provided with frictionless puolley, wooden block, pan and a set of friction rollers
A simple experiment to show transfer of momentum. It consists of metal base with a wire frame. Six identical steel balls are suspended end to end. When one ball is mode to strike the rest of the balls the last one ball is shifted away. When two balls are made to strike the rest of the system last two balls are shifted
To determine wave length of Sodium light using Newton Ring Microscope
To determine Surface Tension of a liquid by Capillary Rise Method using Travelling Microscope
A carefully turned brass disc 125mm dia and 12 mm thickness is provided with split chuck in the center. An aluminium ring of outside dia exactly 125mm has two pins which fit into two cavities in the disc so that edge of the ring is in flush with the edge of the disc.Available : Brass / Iron Disc
Consists of two cast iron feet, two supporting rods, one wheel with groove moving on ball bearings is provided with chuck to hold the test rod, aluminium scales with pointer are attached to specimen rod.Available with Half meter long rods and two scales & with one meter long rods and three scales.
To determine Young’s Modulus of a wire. It consists of two rectangular frames connected by a link. The frames are fitted with self cantering chucks, provided with a spirit level a speedometer, a cast iron ceiling attachment and weight.Available : Iron / Brass Frame
Comprising a metal bar one meter log resting on knife edges of two heavy table clamps, hanger with knife edge moves on metal bar, a spherometer fitted on cast iron stand with electric contacts is also provided
20cms in dia and 45mm wide, accurately balanced wheel is mounted on a horizontal shaft held in ball bearings. The wheel is marked and a pointers fixed to the bracket. The bracket has four holes and can be fixed tot the wall.Available : With / Without Counter Available : With / Without Counter
Consists of wooden plank, two rods, metal strip with hooks, two acrylic spring balance 500gm each one meter scale with hooks, two sets of slatted weights 50gm x 5. It is used to verify conditions of equilibrium for parallel forces by showing that sum of upward forces is equal to sum of downward forces
To demonstrate the conversion of kinetic energy into potential energy and vice versa. It consists of a rotating axle which is held in horizontal position by two threads attached to a metal strip and is moved upwards by winding of thread. When the wheel is released from its wound position, wheel acquires kinetic energy on its way down. At the lowest position when the threads are full unwound, they start rewinding around the axle of wheel and rises upward again. The whole assembly is fitted on a stand.
Consists of wide mouth glass bottle of cap 10 Ltr. The bottle is placed inside a wooden box packed with cotton wool to protect form temperature change. It is fitted with metallic neck having three openings. Openings A is connected to compression pump, opening B connected to oil manometer and C is connected to atmosphere. Complete with pump & manometer
Vertical flask type demonstration mode, on metal base.In a four stroke engine, to perform full cycle of operations (changing the contents of cylinder and effecting combustion) four strokes of piston are required. This type of engine is used in Motor bikers, Petrol driven cars and certain types of scooters
This is an internal combustion engine. The vaporized fuel is mixed with air in carburettor. This mixture’s sucked by engine (Intake stroke - 1st stroke) through inlet valve which opens. The descending piston draws fresh petrol and air mixture into the cylinder. This mixture is compressed (Compression strokes 2nd stroke). During compression the mixture gets heated and ignition burns the fuel converting into a large volume of gas which pushes the piston. while the valves are closed the piston is pushed to the bottom of the cylinder by the gases of combustion (Power Stroke 3rd stroke) The exhaust valve opens due to momentum gained by wheels piston is pushed upwards and burnt gases are expelled (Exhaust stroke - 4th stroke).
Vertical Flask Type demonstration model, on metal base.This type of engine is used in Diesel cars, Jeeps, Buses, Trucks, Tractors and Generating sets. This is an internal combustion type engine. The thermal energy which is released when the fuel is burned is converted into mechanical energy. In this type of engine air alone is drawn into the cylinder and is compressed in a ratio of 14:1 to 25:1. As a result of this height compression, air is heated to a temperature of 7000C to 9000C. Now a creation amount of diesel is injected into the cylinder. Because of the prevailing high temperature, the fuel ignites spontaneouslyThe four strokes involves are : Intake stroke, Compression stroke, Power stroke, Exhaust stroke.
Fitted with aluminium plate of dia. 15cm and steel C.P. barrel on wooden base, provided with a stop cock, an inlet screw and a connection for pressure rubber tubing
Product Name : Vernier Callipers
Designed to give maximum accuracy with 160mm stainless steel scale divided to 1300, vernier reading 12 seconds, telescope holder is adjustable to the required height, complete with sight tube, one inverting, one erecting telescope and one sun glass.
Made from seasoned, polished wood, one meter long and provided with six wooden riders.
Consists of two I meter long metal road, one of the road evenly divided in mm, supported on heavy cost iron feet. Provided with four heavy metal slider and accessories. Two of the sliders have transverse motion.Available : Half / Full Sharpered Accessories
It consists of a 1 1/2 meter long stainless steel double rod optical bench with the following accessories.Lamp house : an electric bulb workable on 220V AC is encased in a metal caseMetal Screen White with cross slit : the slit has one white surface and other black Plane true tiltable mounted mirrorLens assembly consisting of combination of single & double lens holder on a mount rotating on a vertical axis. The Assembly is adjustable in height and can be moved by rack & pinion.
Complete with 1.5 meter ss rod optical bench having the following components L.B. Photometer Head : made from precision optics. Light Form two sources fall on either side of a uniform white opaque screen and is reflected by side reflectors. Then it passes through LB cube. Observing the field through a telescope, tow light intensities are compared directly.Lamp House : tow lamp houses with electric bulbs workable on 220v.
Superior quality, all parts are made from brass, achromatic objective, provided with wooden folding stand.
For Accurate measurement of refractive index of transparent liquids, solids and solutions, used in sugar, ghee and oil mills, pharmaceuticals and chemicals chemical laboratories, jam factories and distilleries etc. Measuring range 1.3000 to 1.7000, measurement of sugar )% to 95%. The body of instrument is fixed with a leaning of 600, correct reading can be taken in the fields. It includes Abbe’s double prism with thermostat, compensator, telescope mirror, graduated scale, reading magnifier and radial arm which carries vernier. Complete in polished wooden box
Simple form for school and junior colleges, focussing from one meter to infinity, provided with 10x Ramsden eye piece with cross wire, achromatic objective. Focussing with rack & pinion, height of telescopes is adjustable, fitted on cast iron base
An ideal instruments to demonstrate basic principles of light like reflection, principles of light like reflection, refraction, deviation of light through prism or slab, with standard accessories
To find refractive index of the Prism Material using sodium light with the help of spectrometer
To determine absorption spectrum of lodine vapour
Consisting of two identical wooden trolleys with bakelite wheel and spring loaded axle
Solid brass bar with central split chuck for clamping and suspending wire, size 30cms long and 1.5cm dia, supplied with wall clamp
A disc of 125mm dia 6mm thickness has two holes drilled and tapped for chuck, one in center and other along the edge of the disc, supplied with wall clamp
An aluminium disc of 150mm dia, accurately turned, supports three or more masses fitted into a groove concentric with the circumference, fitted with chuck & supported by steel C.P. rods, fitted on a heavy base with levelling screws
To determine the value of G. It consists of an electronic unit having four sockets and a switch to help hold or release the ball. A heavy retort stand carries a solenoid. When toggle switch is on Catch position, current flows through solenoid producing a magnetic field and holding the ball. The retort stand carries another base. The ball after being released from solenoid fall s on this base. Time taken by the ball to travel from solenoid to second base is recorded in electronic unit.
All metal big size export quality, packed in card box
Consisting of two iron balls, one spring loaded road and a clamp fitted on wooden board.
To study Variation of time with length for a compound pendulum. a powder coated steel bar 100x2.5cms bored at every 5cms and provided with 2 removable knife edges. Complete with powder coated wall braket.Available : Steel / Brass Strip
Consists of steel C.P. rod one meter long, two adjustable knife edges facing each other, two cast iron weights are provided to slide along the length of the bar and can be clamped in any position, two hard wood weights can be used to compensate iron weights. The apparatus is used to find acceleration due to gravity at a place.Iron / Brass CP Parts
Brass C.P. for experiments on rigidity. It consists of a hollow cylindrical brass tube open at both ends with a chuck carrying a mirror. The tube is graduated in mm on both sides, 2 hollow cylinders, all 10cm long, fitted in the bore of the tube, provided with wall clamp
To Find the modulus of rigidity & Young’s Modulus for a wire. The 30cm long wire under test is connected to two brass rods 30cm long. Complete with test wires with connecting screws
It consists of a mild steel frame mounted on a heavy cast iron base fitted with levelling screws, three sliding circular scales graduated in degrees are provided which can be clamped at any position on one of the frame uprights, three pointers for clamping to the test rod are provided
For verifying the relation between forces acting at a point, provided with two clamp type pulleys for mounting at any position, 45cmx30cm board wall type, complete with 3 sets of 50gmx5 iron slotted weights
Spring Constant App.Provided with half meter scale, spring with pointer and slotted weights, fitted on nicely painted iron base
A steam engine utilises the energy contained in steam under high pressure. The energy that is released when steam expands is made to produce rotary motion which can be used for driving the machinery. The seam form boiler is admitted into the cylinder having a piston , when the steam expands, it causes the piston to move, when the piston has travelled to the end of the cylinder and thus completed the stroke, the expanded steam is allowed to escape form cylinder. At the same time the path of the steam is changed over. i.e. live steam under pressure is admitted to the other side of piston causing the later to travel back past its starting point until it has reached the other end of stroke. A steam engine of this type is called double acting because force of steam is applied alternatively on two sides of piston.
Vertical flask type demonstration model, on metal base.
In a two stroke engine, to perform full cycle of operations (changing the contents of cylinder and effecting combustion) two strokes of piston are required. This type of engine is mostly used in petrol driven scooters.It is an internal combustion engine. The thermal energy which is released when fuel is burned is converted into mechanical energy. Petrol is mixed with air in a device called carburettor to form a combustible mixture which is compressed in a cylinder and finally ignited by an electric spark produced between the electrodes of a sparking plug. The gases which are formed in the cylinder by the combustion of air petrol mixture, expand, and thrust the piston downward. Acting through the connecting rod, the piston imparts a rotary motion the crankshaft. The energy to remove spent gases from the cylinder is provided by the flywheel thus paving the way for injection of fresh air petrol mixture, so that a new cycle can begin
University PatternTwo glass tubes one closed at the top and other open are held in clamps which can be locked at any position, clamps can slide on two steel C.P. rods fitted on base, wooden plank carrying an meter scale is mounted on heavy cast iron base with levelling screws, supplied without mercury and rubber tubing
With two Steel C.P. rods carrying clamps, wooden scale fitted on metal strip, two glass tubes mounted on cast iron stand, supplied without mercury and rubber tubing
Wall type. An inexpensive barometer for elementary study of weather, the dial shows mercury pressure equivalent in both English and mill bar scales. It has a hook for suspension and a stationary hand for comparison with previous reading. The movement is housed in a round plastic case.
Small sized, cock, shaped, fitted on base with N W E S arms clearly visible
Cup Shape with Counter. The instrument has a wheel consisting of three conical cups in horizontal plane. The cup wheel spindle is connected by worm gearing to a revolution counter in a waterproof housing. By observing the counter reading at the beginning and end of the period of interest, the average wind speed during the interval can be calculated.
A machine cast aluminium table 10cm dia having a stem of 12cm con be lowered or raised to desired height and it can be tightened wit a thumb screw. In addition to this coarse movement, fine adjustment is provided by a flush in arrangement fitted on a heavy circular base with two levelling screw and one rod to hold capillary clamp, supplied with capillary clamp
Steam Engine Boiler Type
