The world’s first transcontinental telephone line was successfully voice tested between New York and San Francisco.
21st June 1919: The German High Seas naval fleet is scuttled at Scapa Flow
21st June 2019
The world’s first transcontinental telephone line was successfully voice tested between New York and San Francisco.
The 999 service was launched in London on 30 June 1937, and initially covered a 12 mile radius from Oxford Street.
It was while in Boston that Bell’s experiments with sound waves and electricity led to his development of a telegraph-like system to transmit the vibrations associated with speech.
Known as Transatlantic No. 1 or TAT-1, the £120 million system actually consisted of two identical cables to allow transmission in each direction.
On the 10th March 1876, Scottish-born inventor Alexander Graham Bell made the first successful telephone call when he contacted his assistant, Thomas Watson.
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