Gray harmonic telegraph transmitter

Gray harmonic telegraph transmitter

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Location
Currently not on view
Object Name
Transmitter
telegraph transmitter
harmonic telegraph
Other Terms
Transmitter; Telegraphy
date made
ca 1880
maker
Elisha Gray
Measurements
overall: 1 1/2 in x 3 1/2 in x 6 in; 3.81 cm x 8.89 cm x 15.24 cm
ID Number
EM.214291
catalog number
214291
accession number
38810
Credit Line
from Delia Gray
See more items in
Work and Industry: Electricity
Data Source
National Museum of American History
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