Junior Potentiometer   (EE - 551)

Having one resistance wire 50cms. long stretched over a graduated perplex scale. A metallic press button type sliding jockey moves on a metallic rod along the slide stretched wire 10 resistance coils are joined in series in dial form and is further connected to the stretched wire. This apparatus is designed as an improvement over the common 20 wire potentiometer. All the resistances are calibrated on Imported Testing Bridge.

Very superior quality having all hylem top fitted on well polished teak wood case. 22 resistance coils are joined in series in dial form. Complete with selector switch, terminals and thick knife edged pencil in dial jockey. All the resistances are calibrated on Imported Testing Bridge.

Crompton Potentiometer   (EE - 552)

Direct reading of potentiometer range 0.0005 to 1.75 volts. Circular slide wire is divided into 250 parts on a white perpex scale. Coarse and fine Rheostats provided to control the range. Rotary dials also in six steps to control by a knob. Two set of terminals are given on the panel for E.M.E. and standard cell. Two set of terminals for galvanometer and Battery. A selector switch is provided to control rapid change. Coils are perfectly aged and dry. Accuracy ± 0.1%. All coils are calibrated on Imported Testing Bridge.

Battery Jars   (EE - 553)

Ht x Dia

a) 75 x 50mm, Glass
b) 150 x 100mm, Glass
c) 150 x 100mm, Plastic

Cell Plates   (EE - 554)

This is to demonstrate the construction of simple type batteries. ^Plates are provided with terminals for connection.

a) Zinc : 90x25x1.5 thick
b) Zinc : 150x50x0.7 thick
c) Copper : 90x25x1.5mm thick
d) Copper : 150x50x0.7mm thick
e) Lead : 90x25x1.5 thick
f) Lead : 150x50x0.7mm thick
g) Carbon : 90x25x6mm thick
h) Carbon : 150x50x6mm thick

Carbon Electrodes Mounted   (EE - 555)

Newly mounted holder which can hold different type of electrodes. Complete assembly can be put on the top of the vessel/jar.

Daniel Cell   (EE - 556)

Made of a copper vessel with an internal perforated porous shelf. Porous pot 150x50mrn and a zinc rod 150xl2mm dia. Each of zinc rod and copper vessel is provided with terminals

Daniel Cell Spares:

Porous Pot 150 x 50mm EE - 556/1
Zinc Rod EE - 556/2

Lechlanche Cell   (EE - 557)

Comprises of a Glass/Plastic container, filled porous pot with carbon electrode and a zinc rod 150xl2mm with terminal.

Spares:

Glass Container EE - 557/1
Plastic Container EE - 557/2
Filled Porous Pot EE - 557/3
Zinc Rod 150 x 22mm EE - 557/4

Voltmeter, Cup Shape   (EE - 558)

Plastic/Glass vessel mounted on a base with terminals, platinum electrodes and two graduated test tubes and a holder.

Electric Bell   (EE - 559)

Operates on 3-6V D.C. Battery or 3V to 6V transformer.

Bell Push   (EE - 560)

Made of moulded plastic, Suitable for P-7870

Demonstration Electric Bell   (EE - 561)

All parts are clearly visible, works on 4-6V, D.C. Mounted on wooden board with two 4mm socket terminals.

Worcester Circuit Board Kit   (EE - 562)

Consists of base board with nos. of metal connection pillars, nos. of flexible connection strips and accessories comprises of 18 bulbs 1.25V, 0.25A, 9 connectors with lamp holders, 12 plain connectors, one connector with rheostat, 1 rectifier, 1 resistor, 2 leads with crocodile clips, 2 leads with 4mm plug and crocodile clips, 2 crocodile clips, 2 bell push, 2 iron nails, 1 length each bare copper wire. Eureka wire, plastic covered copper wire, 1 hard board disc drilled, 4 pencil leads, 1 copper foil, 1 steel wool piece. Supplied in card board box.

Worcester Circuit Board Kit, Economy Model   (EE - 563)

Comprises of 1 base board, 2 connectors, rheostat connector, 1 mounted bulb holder, bell push, 1 set flexible lead red & black, hard board disc diode, LED, 2 bulbs, steel wool, nail and one pencil lead, supplied without batteries.

Demonstration Transformer   (EE - 564)

Operates on 220V A.C. mains, 50Hz. Consists of E & I laminated cores, alloy stand, one primary coil & two secondary coils to produce 6V and 12V at 2A can be mounted one by one, over the primary coil. The mains coil is provided with Imeter of two core cable and secondary coils are mounted with 4mm socket terminals. Students can easily mount or demount the transformer unit to get a 6V or 12V power supply as per requirement.

Economy model w/o stand   (EE - 565)

Separate coils upto 3000 turns also available