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Articles About mechanical calculator


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1 Calculating Gears (January/February 1997)

Interesting gear factoids discovered wasting time on the Net while pretending to be working...The first four-function mechanical calculator was built by the mathematician Gottfried Leibniz in 1694. While not commercially available for nearly 200 years, the design was the basis of many such calculators until well into this century.

2 William Brunton: 19th Century Neglected - but Influential - Engineer (August 2017)

Faithful readers of this space know we sometimes like to use Addendum to give relatively unknown 19th Century mechanical engineers/inventors their well-deserved props. Like, for example, William Brunton (1777-1851), who is credited - but generally unknown - with inventing the Steam Horse, also known as the Mechanical Traveler.