Roget reciprocating spiral

Roget reciprocating spiral

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Description (Brief)
Roget Reciprocating Spiral, unit consists of a reciprocating coil of wire mounted in a clamp on a round wooden base. The tip of the wire dips into a cup of mercury, and electro-dynamic action causes the wire spiral to oscillate. Mercury has been removed from this specimen. Reference: MacLaren, "The rise of the electrical industry during the nineteenth century," page 21.
Currently not on view
Object Name
Roget Reciprocating Spiral
demonstration apparatus
Other Terms
Contact Breaker; Roget Reciprocating Spiral; Magnetic Devices; Electromagnetic Devices; Electromagnetic Devices
associated person
Roget, Peter Mark
Max Kohl
overall: 10 1/2 in x 5 in; 26.67 cm x 12.7 cm
ID Number
catalog number
accession number
Credit Line
from Case Institute of Technology, Department of Physics
See more items in
Work and Industry: Electricity
Data Source
National Museum of American History
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