telegraph key
telegraph key
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- 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.
- Location
- Currently not on view
- Object Name
- Relay, Telegraph
- telegraph relay
- telegraph key
- telegraph key or relay
- telegraph transmitter
- date made
- ca. 1880
- ca 1880
- Measurements
- overall: 4 in x 7 in x 3 3/4 in; 10.16 cm x 17.78 cm x 9.525 cm
- ID Number
- EM.181949
- catalog number
- 181949
- accession number
- 2015.0173
- Credit Line
- from Sarah J. Farmer
- See more items in
- Work and Industry: Electricity
- Data Source
- National Museum of American History
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