Jan. 25, 1915 | Alexander Graham Bell Demonstrates AT&T's Transcontinental Telephone Line

On Jan. 25, 1915, the inventor of the telephone, Alexander Graham Bell, inaugurated U.S. transcontinental telephone service as part of a demonstration that included dignitaries in New York, Boston, Washington, D.C., San Francisco and Jekyll Island, Ga.

Alexander Graham Bell letter with sketch of telephone sells for $92,000

A handwritten, 134-year-old letter in which Canadian telephone pioneer Alexander Graham Bell sketches a "one-of-a-kind" picture of his invention has sold for more than $90,000 at a U.S. auction.

The Learning Network Blog: Jan. 25, 1915 | Alexander Graham Bell Demonstrates AT&T's Transcontinental Telephone Line

On Jan. 25, 1915, the inventor of the telephone, Alexander Graham Bell, inaugurated U.S. transcontinental telephone service as part of a demonstration that included dignitaries in New York, Boston, Washington, D.C., San Francisco and Jekyll Island, Ga.

Alexander Graham Bell letter to his father describing telephone sells for $92,000 US

An 1878 letter from Alexander Graham Bell to his parents that includes rare and elaborate drawings of the telephone he invented has sold for more than $92,000, an auctioneer said Thursday.

Alexander Graham Bell letter to parents about telephone sells for $92,000

An 1878 letter from Alexander Graham Bell to his parents that includes rare and elaborate drawings of the telephone he invented has sold for more than $92,000 (£59,000), an auctioneer said Thursday.

Alexander Graham Bell letter to his father describing telephone sells for US$93G

AMHERST, N.H. - An Alexander Graham Bell letter containing a diagram of the telephone has sold for nearly US$93,000.