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 %