Primary cells (Simple Cell, Lechlanchee Cell, Daniel Cell, Bunsen Cell) Lead accumulators, Alkali accumulator, Fickle-Cadmium cells, Battery Eliminators, Battery Chargers, Power Supplies, Resistance Boxes, P.O. boxes, Rheostats, Resistance cells, Standard resistance, Plugs, Keys, Switches, Commutators, Leads, Wires, Cables, Terminals, Electric Bells, Demonstration Models of: Electric bells, Telegraph, Telephone, Reflecting Galvanometers and accessories, Ammeters, Voltmeters, Galvanometers, Wheatstone bridges, Meter bridges, Potentiometers, Dial type Potentiometers, Dial type resistance boxes and Capacitance boxes, Electric Motors and generator, Model lamps, Lamp holders, Transformer and Induction coils.

VACUUM APPARATUS

Crooke's tubes, Crooke's radiometers, Geissler tubes, Cathode ray tubes fro demonstration of Heating effect, Deflection in magnetic field, Diffraction, Shadow and stencil, Phosphorescence, Spectrum tubes showing discharge in Argon, Krypton, Hydrogen, Carbon Dioxide, Mercury, Neon etc.

Ammeter

Dynamo Model