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Uploaded by calculatryx on Sep 17, 2011
Planimeter invented by Heinrich Rudolf Ernst in 1836. This analoge calculating device measures the area of any arbitrarily shaped region by sinply tracing a pointer around its border.Created with Blender 2.58
Science & Technology
Creative Commons Attribution license (reuse allowed)
Very Cool!
ufoengines 3 months ago
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Very Cool!
ufoengines 3 months ago