The phones used by Thomas Watson, and Alexander Graham Bell, to make the first transcontinental phone call from New York to San Francisco, a hundred...
The phones used by Thomas Watson, Alexander Graham Bell, Theodore Vail, then president of AT&T in 1915 and U.S.President Woodrow Wilson, to make the...電話
The phones used by Thomas Watson, and Alexander Graham Bell, to make the first transcontinental phone call from New York to San Francisco, a hundred...電話
Alexander Graham Bell Scottish-born American inventor, lecturing on his telephone at Salem while friends in his study at Boston listen to his lecture...電話
Alexander Graham Bell Scottish-born American inventor, lecturing on his telephone at Salem while friends in his study at Boston listen to his lecture...
Horst Stormer, Nobel Prize winner in Physics, poses in front of statue of Alexander Graham Bell at Lucent Technologies in Murray Hill, New Jersey.
Engraving depicting a Graphophone, the name and trademark of an improved version of the phonograph. It was invented at the Volta Laboratory...
The telephone by Alexander Graham Bell: receiver , transmitter , the phone in his briefcase, engraving from L'Illustrazione Italiana, No 19, May 13,...
Receiver unit for the photophone by Alexander Graham Bell, engraving from L'Illustrazione Italiana, No 42, October 17, 1880.手機, 插圖, 雕刻圖像
Replica of a liquid transmitter made by Scottish-born telephony pioneer Alexander Graham Bell . Bell was born in Edinburgh, Scotland but emigrated to...電話
This box telephone, which was previously used at Lloyds signal station in Crookhaven, represents one of Alexander Graham Bell's earliest efforts to...電話
Etching by A Delzers from a photograph by Harris & Ewing of Alexander Graham Bell . After experimenting with various acoustical devices, Bell...
Submarine telegraph cable, recovered in 1977, which was laid across the River Medina on the Isle of Wight in about 1878. It is believed to have been...
This cable is believed to have formed part of a telephone link laid in January 1878 on the Isle of Wight between Cowes, Osborne Cottage, and Osborne...潛艇, 通訊
The American scientist and inventor Thomas Alva Edison redesigned the telephone shortly after its invention by Alexander Graham Bell in 1876. He got...
The key component of Louis John Crossley's improved telephone was the microphone invented by David Edward Hughes in 1878, only two years after...
The key component of Louis John Crossley's improved telephone was the microphone invented by David Edward Hughes in 1878, only two years after...電話
The key component of Louis John Crossley's improved telephone was the microphone invented by David Edward Hughes in 1878, only two years after...
Replica of an early type of telephone made by Scottish-born telephony pioneer Alexander Graham Bell .電話
These receivers with wooden handles and square diaphragms are believed to have been the property of telephony pioneer Alexander Graham Bell . After...
Headstone of Alexander Graham Bell in Highgate Cemetery, London. After experimenting with various acoustical devices, Bell produced the first...
Headstone of Alexander Graham Bell in Highgate Cemetery, London. After experimenting with various acoustical devices, Bell produced the first...死亡
Etching by A Delzers from a photograph by Harris & Ewing of Alexander Graham Bell . After experimenting with various acoustic devices, Bell produced...
Etching by A Delzers from a photograph by Harris & Ewing of Alexander Graham Bell . After experimenting with various acoustic devices, Bell produced...
Alexander Graham Bell inventor of the telephone, aged 29. After experimenting with various acoustic devices, Bell produced the first intelligible...
The engineer Chichester A Bell was a cousin of the telephone inventor Alexander Graham Bell . In 1880 the French government awarded Alexander Graham...
Plate taken from 'Soap Bubbles' by Charles Vernon Boys, demonstrating that a jet of water is 'a machine for magnifying sound'. The 'Water telephone'...
Alexander Graham Bell Scottish-born American inventor; patented telephone 1876. Photograph of Bell as a young man.
Alexander Graham Bell Scottish-born American inventor; patented telephone 1876; Bell inaugurating 1520 km telephone link between New York and...電話
Alexander Graham Bell Scottish-born American inventor; patented telephone 1876. Picture published 1907.
Gilbert Grosvenor, the great grandson of telephone inventor Alexander Graham Bell, talks on the latest video phone from his office at the National...
Gilbert Grosvenor, the great grandson of telephone inventor Alexander Graham Bell talks on the latest video phone from his office at the National...
Pictured: Host Jay Leno, actors Alexandra Wentworth, Fred Willard, and Jack Riley during the "Name That Sound" segment on March 30, 1999 --
Portrait of Dr Alexander Graham Bell , the US scientist, born in Scotland, who invented the telephone in 1876
Artist's impression of Elisha Gray presenting his caveat for his telephone at the United States Patent Office at 4 p.m. On 14th February 1876, just...電話
Diagram of Bell's second telephone: Acoustic waves through N and A make the armature of the electromagnet connected to lever vibrate. New York, dated...
Wall telephone designed by Elisha Gray and used widely in the Western States of the U.S. From George B. Prescott The Speaking Telephone, New York,...電話
Elisha's telephone, dated 1896. Created by Elisha Gray , American inventor and competitor of Alexander Graham Bell.
Detailed view of the Gower-bell telephone, dated 1892. Created by Alexander Graham Bell, and Thomas Edison.電話
Alexander Graham Bell's first telephone , exhibited at the Philadelphia Centennial Exhibition of 1876.電話, 展覽會
Elisha's telephone, dated 1896. Created by Elisha Gray , American inventor and competitor of Alexander Graham Bell.電話, 以利沙
The familiar black payphone has been dressed up in this handsome new coin telephone shelf designed by Bell Telephone Laboratories at Murray Hill, N.J.