Mechanical Calculating Device

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Computer! This device is called The Millionaire, and was used to help make the calculations that led to the discovery of Pluto. See previous picture in my photostream for the placard describing the device.

jfeit, Andrew_N, Jukie Bot, and 30 other people added this photo to their favorites.

  1. Carlos Smith 52 months ago | reply

    Where are the control-alt-delete keys?

  2. z4kiter 52 months ago | reply

    It's neat that they included the brush for cleaning the mechanicals.

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