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- DeJur Grundig "Stenorette" Dictation Machine, 1955-1970 -
- 1955-1970
- Collections - Artifact
DeJur Grundig "Stenorette" Dictation Machine, 1955-1970
- Dejur Rheostat, 1925-1935 - 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.
- 1925-1935
- Collections - Artifact
Dejur Rheostat, 1925-1935
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.