S Z de Ferranti alternating current electric meter; Ferranti, Borel and Wright patents
Details
- Category:
- Electricity Supply
- Object Number:
- Y1996.10.866
- Materials:
- wood (unidentified), metal (unknown) and glass
- Measurements:
-
overall: 163 mm x 219 mm x 221 mm, 5.7
- type:
- electric meter
- credit:
- Gift of Ferranti International Signal plc