Archive > 1997 > January/February 1997 > Calculating Gears

Calculating Gears

The article "Calculating Gears" appeared in the January/February 1997 issue of Gear Technology.

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.

Leibniz, mechanical calculator, history, movies, cartoons

The article "Calculating Gears" should appear in the box below, but if you do not see it, you can download it here.

It appears you don't have a PDF plugin for this browser. No biggie... you can click here to download the PDF file.