Pascal, Blaise, - , French mathematician, philosopher and physicist, ten-digit Pascalean calculating machine, photography, 1950s,

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Photo credit: © INTERFOTO / Personalities / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 20th, apparatus, blaise, calculator, century, early, french, historic, historical, instrument, machine, mathematician, mathematics, modern, pascal, pascalean, philosopher, philosophy, physicist, physics, polymath, rule, slide, sliderule, sliding, ten-digit, times