Watch a 1963 plastic computer crunch numbers with rubber bands

Plastic mechanical computer from 1963: The Digi-Comp 1 [video]

Watch a 1963 plastic computer crunch numbers with rubber bands

Chris Staecker's video explores the Digi-Comp I, a 1963 mechanical computer made of plastic and rubber bands. It's episode 96 of his series on vintage scientific instruments. The video demonstrates how this toy-like device could perform calculations, offering a fascinating glimpse into early computing history.

The Digi-Comp I, a plastic mechanical computer from 1963.
  1. andrehacker

    Reproductions are still produced, see the wikipedia page.

  2. NetMageSCW

    I had a CARDIAC when I was young.

  3. rustcleaner

    Really cool! Will we ever construct Babbage's Analytical Engine?

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2026-08-16