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telegraph key

telegraph key

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Usage conditions apply
Description (Brief)
Repeating sounder or a transmitter for duplex system. No maker's name extant. Used in a suit against the Western Union Telegraph Company by Moses G. Farmer.
Currently not on view
Object Name
Relay, Telegraph
telegraph relay
telegraph key
telegraph key or relay
telegraph transmitter
date made
ca. 1880
ca 1880
overall: 4 in x 7 in x 3 3/4 in; 10.16 cm x 17.78 cm x 9.525 cm
ID Number
catalog number
accession number
Credit Line
from Sarah J. Farmer
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Work and Industry: Electricity
Data Source
National Museum of American History
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