Today in Tech History – March 12, 2018

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.
http://www.britannica.com/EBchecked/topic/151016/John-Frederic-Daniell

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

https://books.google.com/books?id=Cq2zRb4FMgYC&pg=PA299&lpg=PA299&dq=march+12+1889+strowger&source=bl&ots=TCfyPya_By&sig=CCNHRMxK71BWOcNhQpP7dncGshY&hl=en&sa=X&ved=0ahUKEwj90-_355HZAhWiqlQKHeCBDyUQ6AEIPTAI#v=onepage&q=march%2012%201889%20strowger&f=false

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

http://books.google.com/books?id=yV4nAQAAMAAJ&pg=RA3-PA115&lpg=RA3-PA115&dq=march+12+1923+lee+de+forest&source=bl&ots=A_yIgcZUDF&sig=RYXpo6cFuQFcTDpOodOCiWrTRsU&hl=en&sa=X&ei=0MQMU6iJKdjmoAS6qoL4AQ&ved=0CEoQ6AEwAw#v=onepage&q=march%2012%201923%20lee%20de%20forest&f=false

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.

http://www.pewinternet.org/2014/02/27/the-web-at-25-in-the-u-s/

Like Tech History? Get the illustrated Year in Tech History at Merritt’s Books site.

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