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.
Accession Number: 2011.ph.488
Alternative Name: Ammeter
Primary Materials: Plastic, Metal, Leather, Glass?
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.
Daystrom, Incoporated, Weston Instruments Division, Newark, N.J
Date of Manufacture: c. 1960s
University of Toronto Department of Physics
Additional Information and References: