Matthew Hahn, German early calculator inventor

Matthew Hahn, German early calculator inventor

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Credit: SCIENCE PHOTO LIBRARY

Caption: Matthew Hahn. Portrait of Matthew Hahn, German cleric and inventor of a novel mechanical calculator in 1779. A copy of this design made by his son was in use throughout the 19th century.

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Keywords: calculator pioneer, hahn, inventor, matthew, mechanical calculator, pioneer, portraits, surname h

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