Telephone: Difference between revisions
From ETHW
No edit summary |
No edit summary |
||
| Line 1: | Line 1: | ||
'''''This article is a stub. You can help the GHN by expanding it.''''' | |||
[[Image:Bell telephone.jpg|thumb|left|Alexander Graham Bell speaking into a prototype telephone.]] | |||
Boston, Massachusetts. On 14 February 1876 [[Alexander Graham Bell|Alexander Graham Bell]] filed for a [[Bell Files Telephone Patent|patent]] on a device for the electrical transmission of speech. Elisha Gray filed a preliminary patent application (caveat) a few hours later. The patent was issued to Bell on 7 March 1876. | |||
[[Category:Communications]] [[Category:Telephony]] | |||
Revision as of 20:28, 27 January 2011
This article is a stub. You can help the GHN by expanding it.
File:Bell telephone.jpg
Alexander Graham Bell speaking into a prototype telephone.
Boston, Massachusetts. On 14 February 1876 Alexander Graham Bell filed for a patent on a device for the electrical transmission of speech. Elisha Gray filed a preliminary patent application (caveat) a few hours later. The patent was issued to Bell on 7 March 1876.
