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indicator, speed

indicator, speed

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Currently not on view
Object Name
Indicator, Speed
Revolution Counter
date made
place made
Physical Description
leather (case material)
in black case - from catalog card: 4 1/4 in x 5 1/4 in; x 10.795 cm x 13.335 cm
overall: 1 5/8 in x 5 1/2 in x 4 3/8 in; 4.1275 cm x 13.97 cm x 11.1125 cm
ID Number
catalog number
accession number
Credit Line
Janet R. Sneed
See more items in
Work and Industry: Mechanical and Civil Engineering
Data Source
National Museum of American History
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