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
