Plug Key
Reversing Switch
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Releigh Key
Charge & Discharge Key
High Resistance Coil
Resistance coil
Resistance Box Dial Type
Rheostats Single Tube
Rheostats Space Winding
Post Office Box Plug Type
Universal Shunt
Fixed Condenser Box
Potentiometer Dial Pattern
Potentiometer
Pencil Jockey Brass
Crompton Potentiometer
Platinum Resistance
Meter Bridge
Callender And Griffith Bridge
Humburger Cell
Kohlrausch Conductive Bridge
Rayeigh Bridge
Anderson Bridge
Kelvin Double Bridge
Portable Wheatstone Bridge
Student Kelvin Bridge
Ammeter
Milli Voltmeter