Gray Harmonic Telegraph Transmitter

Gray Harmonic Telegraph Transmitter

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Location
Currently not on view
Object Name
Telegraph
harmonic telegraph
telegraph transmitter
Other Terms
Telegraph; Telegraphy; Communications
date made
ca 1876
maker
Gray, Elisha
Measurements
overall: 2 1/4 in x 7 3/4 in x 7 in; 5.715 cm x 19.685 cm x 17.78 cm
ID Number
EM.324121
catalog number
324121
accession number
253039
Credit Line
from Oberlin College, Dept. of Physics, thru David L. Anderson
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Work and Industry: Electricity
Data Source
National Museum of American History
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