Electro-dynamometer-ammeter, 1882.

 
Electro-dynamometer-ammeter, 1882.
4 0 c m
 
32cm
actual image size: 24cm x 32cm

Description

Siemens electro-dynamometer-ammeter, no. 1214. Ranges = 16 amps and 57 amps.

© Science Museum / Science & Society Picture Library

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