ESAW Resistance Coil with Short-Circuiting Device (EEC-9790)

Suitable for insertion In circuits with standard cell or as a high resistance for use in series with sensitive 'galvanometer. Comprising a carbon resistance of high value adjusted with double silk covered constantan wire to the actual value marked on the panel. The said adjusted coil is housed in a plastic case with a rectangular thick bakelite top, having brass block short-circuiting plug. TWO brass terminals are provided and the panel is dearly engraved with the resistance value