Weston Standard portable alternating and direct current wattmeter

Made:
Newark
maker:
Weston Electrical Instrument Company

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Weston Standard portable alternating and direct current wattmeter no.302, scale up to 150.

Details

Category:
Electricity Supply
Object Number:
1952-409
Materials:
complete, ebonite, glass, metal and woood
type:
electrodynamometer wattmeters
credit:
Key Engineering Co. Ltd.