rotator

rotator

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Description (Brief)
Rotator is an incomplete unit, a central bar magnet is missing. A copper wire rotator turns from a brass support arm and dips into a circular wooden trough of mercury. Mercury removed from this specimen. Irregularly shaped base. Marked: "EH 31".
Location
Currently not on view
Object Name
Rotator
Other Terms
Rotator; Magnetic Devices
Measurements
overall: 13 in x 6 in x 8 in; 33.02 cm x 15.24 cm x 20.32 cm
ID Number
EM.323665
catalog number
323665
accession number
251332
Credit Line
from Case Institute of Technology, Department of Physics
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Work and Industry: Electricity
Data Source
National Museum of American History
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