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Amperes Meter


Black square plastic box with two plastic and metal circuit connections on one side. Plastic adjustable dial on one side. Top face plate is screwed into box with 6 metal screws. There is a transparent window which reveals measurement scale and measurement apparatus. The measurement scale is paper over top of a glass mirror. One small metal knob on one side. Metal information plate on front plate.

Accession Number:

Alternative Name: Ammeter

Primary Materials: Plastic, Metal, Glass


Painted on face – “L”, information plate -“Weston Electrical Instrument Corp., Newark N.J., U.S.A., Model 433 No. 11208, Adjust for Zero”, scatched into face “894”

Dimensions (cm): 9x16x14 cm

Function: Measuring electrical current.


Good. Some corrosion on knobs and circuit connectors. Some scratches and wear on plastic.

Associated Instruments: None


Weston Electrical Instrument Corp., Newark N.J., U.S.A

Date of Manufacture: c. 1960s


University of Toronto Department of Physics

Additional Information and References:

Historical Notes:


  • Donated to UTSIC