Mechanical calculators: computing without electricity (lowtechmagazine.com) 4 points by RachelF 11y ago ↗ HN
[–] bsdshepherd 11y ago ↗ A Chronology of Analogue Computing http://www.rutherfordjournal.org/article020106.htmlThe Mechanical Analog Computers of Hannibal Ford and William Newell http://web.mit.edu/STS.035/www/PDFs/Newell.pdf
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[ 3.3 ms ] story [ 14.6 ms ] threadThe Mechanical Analog Computers of Hannibal Ford and William Newell http://web.mit.edu/STS.035/www/PDFs/Newell.pdf