Today in Tech History – March 12, 2017

1790 – John Frederic Daniell was born. He would grow up to invent the Daniell cell, a battery that supplied an even current during continuous operation, thus making battery power practical.

1889 – Almon B. Strowger of Kansas City filed his patent for the first automatic telephone exchange.

1923 – Inventor Lee De Forest demonstrated the Phonofilm for the press. It was the first motion picture with a sound-on-film track.

1989 – Tim Berners-Lee wrote a paper proposing an “information management” system that became the foundation of the World Wide Web. He called it the Mesh at the time.

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