This Day in Geek History: June 7
1870
Thomas Edison is issued a patent for a “Printing Telegraph Instruments.” (US No. 103,924)
1892
Thomas Edisonis granted patents for a “System of Electric Lighting,” an “Incandescent Electric Lamp,” a “System of Electrical Distribution,” an “Incandescent Electric Lamp,” an “Electric-Lighting System,” and an “Ore-Screening Apparatus.” (US No. 476,527-32)
1939
Harley Iams and Albert Rose of Radio Corporation of America (RCA) introduce the Orthicon television camera tube. The device uses a simple cylindrical tube four to five inches in diameter to focus the electron scanning beam with a magnetic coil.
1951
AT&T and International Telephone and Telegraph signed a cross-licensing patent agreement that will lead to the complete standardization of the American telephone industry. The move results in interchangeable telephone hardware being used across North America.
1953
Radio Corporation of America (RCA) launches its color television system, which is compatible with black and white receivers. Visit the official RCA website.
1954
English mathematician Alan Turing, who will later widely be recognized as the father of computer science, eats an apple soaked in cyanide and commits suicide at the age of forty-two. Turing’s suicide comes after his arrest and conviction for “Gross Indecency” arising from the discovery of his sexual affair with another man. Turing had spiraled deeper and deeper into depression after being forced to undergo a series of estrogen treatments that left him impotent and obese following the conviction.
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The general public is admitted for the first time to the world’s first university museum, the

The first machine to produce intelligible speech-like sounds is exhibited by