Irwin dynomometer wattmeter, in mahogany carrying case
Irwin dynomometer wattmeter by the Cambridge Instrument Co. Ltd. No. L 24972
- Object Number:
- 1976-339 Pt1
- type:
- wattmeter
Irwin dynomometer wattmeter by the Cambridge Instrument Co. Ltd. No. L 24972, with accompanying documentary material
Irwin dynomometer wattmeter by the Cambridge Instrument Co. Ltd. No. L 24972