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In 1865, Rev. Rasmus Malling-Hansen of Denmark invented the Hansen Writing Ball, which went into commercial production in 1870 and was the first commercially sold typewriter. It was a success in Europe and was reported as being used in offices in London as late as 1909. Malling-Hansen used a solenoid escapement to return the carriage on some of his models which makes him a candidate for the title of inventor of the first "electric" typewriter.
1870