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You searched for Genre Scientific apparatus and instruments Remove constraint Genre: Scientific apparatus and instruments Subject Measuring instruments Remove constraint Subject: Measuring instruments Subject Weston Electrical Instrument Co. Remove constraint Subject: Weston Electrical Instrument Co.
- after 1888
Direct current voltmeter, Model 1. Instrument mounted on brown felt on a hardwood base, with a brass tag in front; instrument made of metal and finished in orange-brown; two electrical connections covered in black…