Roller-Smith type A volt-ammeter

Roller-Smith type A volt-ammeter

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Location
Currently not on view
Object Name
Volt-Ammeter
Other Terms
Volt-Ammeter; Measuring Devices
associated institution
Bureau of Standards
maker
Roller-Smith Co.
ID Number
EM.326671
catalog number
326671
accession number
263165
Credit Line
from the United States Federal Communications Commission, thru Ralph J. Renton
See more items in
Work and Industry: Electricity
Data Source
National Museum of American History
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