Morse-Vail Telegraph Key

Description
Alfred Vail made this key, believed to be from the first Baltimore-Washington telegraph line, as an improvement on Samuel Morse's original transmitter. Vail helped Morse develop a practical system for sending and receiving coded electrical signals over a wire, which was successfully demonstrated in 1844.
Morse's telegraph marked the arrival of instant long-distance communication in America. The revolutionary technology excited the public imagination, inspiring predictions that the telegraph would bring about economic prosperity, national unity, and even world peace.
Object Name
telegraph transmitter
telegraph key
Date made
1844
used date
1844
demonstrator
Morse, Samuel Finley Breese
Vail, Alfred
maker
Vail, Alfred
Morse, Samuel Finley Breese
Physical Description
wood (overall material)
brass (overall material)
Measurements
overall: 3 in x 2 in x 6 3/4 in; 7.62 cm x 5.08 cm x 17.145 cm
Place Made
United States: New Jersey, Morristown
used
United States: Maryland, Baltimore
United States: District of Columbia, Washington
ID Number
EM*181411
catalog number
181411
accession number
31652
See more items in
Work and Industry: Electricity
Industry & Manufacturing
Work
National Treasures exhibit
Artifact Walls exhibit
Communications
Government, Politics, and Reform
Computers & Business Machines
Engineering, Building, and Architecture
American Enterprise
Exhibition
American Enterprise
Exhibition Location
National Museum of American History
Data Source
National Museum of American History, Kenneth E. Behring Center

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