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Alexander Graham Bell (view source)
Revision as of 09:30, 1 September 2023
, 09:30, 1 September 2023KS update 1.3
File:Brodhead-Bell-Morton Mansion.jpg|The Brodhead–Bell mansion, the Bell family residence in Washington, D.C., from 1882 to 1889{{sfn|Bruce|1990|pp=297–299}}
File:Brodhead-Bell-Morton Mansion.jpg|The Brodhead–Bell mansion, the Bell family residence in Washington, D.C., from 1882 to 1889{{sfn|Bruce|1990|pp=297–299}}
File:AG Bell 1.jpg|Alexander Graham Bell in his later years
File:AG Bell 1.jpg|Alexander Graham Bell in his later years
File:Photophony1.jpg|Photophone receiver, one half of Bell's wireless [[optical communication]] system, ca. 1880
File:Telephone Inventor’s Voice Heard in Restored Recording « Science World.theora.ogv|Bell's voice, from a Volta Laboratory recording in 1885. Restored by the Smithsonian in 2013.
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== References ==
== References ==