Ironclad switchfuse "Invicta" model, by Bill Switchgear, Birmingham, 30 amp, 250V. c. 1950 to c.1970
- Electricity Supply
- Object Number:
- ceramic, copper, copper (alloy), ferrous metal, glass, insulating material (paxolin?/synthetic), metals, paint, plastic (insulation, possibly PVC?)
- Delta Metal Co.
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