This Day in Geek History: April 18
1846
R.E. House of New York City is granted a patent for the first telegraph ticker capable of printing messages as letters, rather than Morse code, at the rate of approximately fifty words per minute. (US No. 4,464)
1902
Denmark becomes the first country to adopt fingerprinting as a method of identifying criminals.
1924
Simon & Schuster publishes the first Crossword puzzle book.
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Italian engineer
1892
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