Divided ring with handles and helix

Divided ring with handles and helix

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Object Name
Experimental Apparatus
Other Terms
Experimental Apparatus; Magnetic Devices
Henry, Joseph
wire helix: 3 in x 2 in x 4 1/4 in; 7.62 cm x 5.08 cm x 10.795 cm
handles (each): 3 1/2 in x 2 1/8 in x 3/4 in; 8.89 cm x 5.3975 cm x 1.905 cm
ID Number
catalog number
accession number
Credit Line
from the Smithsonian Institution Collection of Apparatus, thru William C. Winlock
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Work and Industry: Electricity
Data Source
National Museum of American History
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