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Unidentified · Physics

An iron alloy rod with an electrically-wired base. The base is 12cm long and equipped with three thumb nuts in different positions in addition to spiral-shaped electric wires. The reach of the base can be adjusted along the length with the turning of a screw. The instrument is largely made of copper and steel.

Accession Number:

Alternative Name:

Primary Materials: Copper alloy, Iron alloy

Markings: None

Dimensions (cm):

Length = 50cm Width = 11cm Height – 12.5cm



Good. The surface of the object is corroded on the iron alloy surfaces. The coiled wires are particularly corroded and appeared covered in brown, degraded material.

Associated Instruments:


Date of Manufacture:


The Department of Physics, the University of Toronto

Additional Information and References:

Historical Notes: