Auxiliary Hand Sending Key

Description (Brief)
Telegraph keys are electrical on-off switches used to send messages in Morse code. Until recently, “wireless” meant radio and this auxiliary hand sending key was made for US Navy by Wireless Specialty Apparatus Company in 1918. The key could handle power ratings of 2000 watts, alternating current.
Currently not on view
Object Name
wireless key
telegraph key
date made
Wireless Specialty Apparatus Co.
Physical Description
metal (overall material)
plastic (overall material)
overall: 2 1/2 in x 3 1/4 in x 9 1/2 in; 6.35 cm x 8.255 cm x 24.13 cm
ID Number
catalog number
accession number
Telegraph Keys
See more items in
Work and Industry: Electricity
Telegraph Keys
Data Source
National Museum of American History, Kenneth E. Behring Center
Additional Media

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