Amperes Meter

Physics

Accession Number: 2011.ph.488

Description:

Black plastic box with two metal circuit connectors at the top side. Plastic adustable dial and leather handle on one side. Two sets of feet attached to one side. Face plate is screwed into box. Faceplate contains information plate and transparent window with measurement scale and needle inside.

Alternative Name: Ammeter

Primary Materials: Plastic, Metal, Leather, Glass?

Markings:

Information plate: “Daystrom, Incoporated, Weston Instruments Division, Newark, N.J., U.S.A., Zero Corrector”, on one side – “W 24”,

Scratched into back: “2459B”; Painted onto back- “2903005”, on side “9”

Dimensions (cm): 9x15x15 cm

Function: Measuring electrical current.

Condition: Good. Some slight wear.

Associated Instruments:

Manufacturer:

Daystrom, Incoporated, Weston Instruments Division, Newark, N.J

Date of Manufacture: c. 1960s

Provenance:

University of Toronto Department of Physics

Historical Notes: