Resistance Coil with Short Circuiting Device PSAW

Suitable for insertion in circuits with standard cell or as a high resistance for use in series with sensetive 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 bakelite case with a rectangular thick bakelite top, having brass block short circuting plug. Two brass terminal are provided and the panel is clearly engraved with the resistance velue.