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ID number:  BIRRC-P0476
Institution:  Research and Cultural Collections
Named collection:  Historic Physics Collection
Artist / Maker:  Weston Electrical Instrument Co.
Title / Object name:  AC and DC Ammeter - Current Transformer
Object type:  Electrical instrument
Place made:  Newark, N.J., USA
Date made:  1922
Materials:  Metal in polished wooden box
Measurements:  18 x 16 x 22 cm

This step down transformer enables the ammeter P0475 to be used to measure alternating currents of 10, 20 or 40 amps. The range is selected by plugs on the top. Instructions dated 27 July 1922 are mounted in the lid.

Inscriptions / Translations:  WESTON
Model 312 No. 1608
Weston Electrical Instrument Co.
Newark, N.J., U.S.A.
B’ham. Univ. Physics E669

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