Direct-reading ammeter, 1900.
3 2 c m
40cm
actual image size: 32cm x 24cm

Direct-reading ammeter, 1900.

© Science Museum / Science & Society Picture Library

Description

Edward Weston introduced this type of meter in 1889. It was the first pivoted moving coil meter, and the first thoroughly reliable direct-reading meter. Made by Weston Electrical Instrument Co, New Jersey, United States.
 

Image Ref.

10194040
 

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