The bookkeeper _ when taking a break from pounding a formidable looking business machine called a comptometer _ sometimes recounted anecdotes about her days as a flapper.
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Near this park is the state-owned Felt Mansion, which was built by inventor of the comptometer, Dorr E . Felt, in 1928.
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In 1965 Victor Comptometer Corporation produced the Victor 3900, a fully electronic calculator with multiple functions, three storage registers, and a small CRT display.
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After graduating from high school, Jochum attended Cincinnati Business School and learned to operate the comptometer, the first commercially successful key-driven mechanical calculator.
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Notably, it was the first mechanical calculator to receive an all-electronic calculator engine in 1961, with the ANITA Mark VII model released by Sumlock Comptometer.
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He is also seen as a London bus conductor and ting ting and at least he hit the right note that time with a comptometer in the 1973 Christmas Show.
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The most important new designs of this period came from the Sumlock comptometer Ltd company that introduced the first all-electronic desktop calculators almost two years before the competition.
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The comptometer, introduced in 1887, was the first machine to use a keyboard which consisted of columns of nine keys ( from 1 to 9 ) for each digit.
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The solution came in 1961 when Victor merged with the [ [ Comptometer # Companies and Trademarks | ] ], which produced calculating machines and a telecommunication device called the Electrowriter.
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He went on to develop and patent such devices as the electromagnetic comptometer, a radar device for ships at sea, a sensitized light bulb, and a portable freezer unit for military use.
