Variable resistor for arc lamp
Variable resistor mounted on asbestos, then on wooden baseboard. Fitted with two porcelain fuse holders, one brass bayonet lampholder with 2 tumbler switches separate, two linked. Used in conjunction with ammeter 1990-5036-256 and 1990-5036/258
- Measurements:
-
overall: 185 mm x 340 mm x 320 mm,
- Materials:
- brass (copper, zinc alloy) and porcelain
- Object Number:
- 1990-5036/257/1
- type:
- variable resistor