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Hartmann & Braun 1-amp. hot-wire ammeter

Hartmann & Braun 1-amp. hot-wire ammeter

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Location
Currently not on view
Object Name
Ammeter
maker
Hartmann & Braun
Measurements
overall: 3 3/4 in x 6 in; 9.525 cm x 15.24 cm
ID Number
EM.313542
catalog number
313542
accession number
188571
collector/donor number
BS10885
Credit Line
from the United States Bureau of Standards, Dept. of Commerce
See more items in
Work and Industry: Electricity
Data Source
National Museum of American History
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