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telegraph: Quick Facts

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Facts

Also Known As telegraphy

Photos

White House Telegraph Room, 1898
optical telegraph
Samuel F.B. Morse
key-type Morse telegraph transmitter
Morse telegraph register
teleprinter
Vintage Morse code telegraph transmitter with a black knob and exposed wires, resting on a wooden surface.
Antique Morse key from around 1860 with brass and iron components on a polished wooden base, used for sending Morse code telegraph signals.
Samuel F. B. Morse with the telegraph he developed in the 1830s; photo by Mathew Brady.
type-printing telegraph
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Key People

Watch a silent short of Thomas Edison, who invented the phonograph and incandescent electric light
Thomas Edison
American inventor
Kelvin, William Thomson, Baron
William Thomson, Baron Kelvin
Scottish engineer, mathematician, and physicist
Portrait of Alexander Graham Bell with white hair and beard, wearing a suit and patterned tie, looking directly at the camera.
Alexander Graham Bell
British-American inventor
Guglielmo Marconi
Guglielmo Marconi
Italian physicist
Samuel F.B. Morse
Samuel F.B. Morse
American painter and inventor
Dalhousie, detail of an oil painting by Sir John Watson-Gordon, 1847; in the National Portrait Gallery, London.
James Andrew Broun Ramsay, marquess and 10th earl of Dalhousie
governor-general of India
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Frederick Bee
American attorney, entrepreneur, and diplomat
Sir William Siemens, engraving after a portrait by Rudolf Lehmann
Sir William Siemens
German-born English engineer and inventor
Joseph Henry
Joseph Henry
American physicist
Werner von Siemens, drawing by Ismael Gentz, 1887
Werner von Siemens
German electrical engineer
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Russell Sage
American financier
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William Wheelwright
American businessman and promoter
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Wilhelm Eduard Weber
German physicist
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Alfred Lewis Vail
American scientist and businessman
David Hughes, engraving by Delzers after a photograph
David Hughes
British-American inventor
Charles Wheatstone
Sir Charles Wheatstone
British physicist
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Hiram Sibley
American businessman
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Sir William Fothergill Cooke
British inventor
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Edward Davy
British inventor
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Harry Nyquist
American physicist

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