IRC Rheostat, 1925-1935

01

Artifact Overview

When a knob on an electrical device is turned, or a slider is moved, the resistance of the circuit is increased or decreased. The rheostat regulates these operations. Common uses of the rheostat may be found in the volume control knob of a radio, a light switch dimmer, or the speed selection on a fan or motor.

Artifact Details

Artifact

Rheostat

Date Made

1925-1935

Location

Not on exhibit to the public.

Object ID

90.0.85.716.6

Credit

From the Collections of The Henry Ford.

Material

Glass (Material)
Paper (Fiber product)
Brass (Alloy)

Dimensions

Height: 1.875 in
Diameter: 0.25 in

Inscriptions

International Resistance Co. Durham 1 Meg. Metallized Philadelphia