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telephone transducer

telephone transducer

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Location
Currently not on view
Object Name
Transducer
telephone transducer
Measurements
overall: 13 1/2 in x 6 in x 5 1/2 in; 34.29 cm x 15.24 cm x 13.97 cm
ID Number
EM.241402.27
accession number
241402
catalog number
241402.27
Credit Line
from International Business Machines, Inc., William J. Hammer Collection
See more items in
Work and Industry: Electricity
Data Source
National Museum of American History
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