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Ian Ruotsala

mechanical calculator

Here I compare the mechanical calculator to a quarter.

918 views
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Uploaded on December 15, 2005
Taken on December 14, 2005

mechanical calculator

Here I compare the mechanical calculator to a quarter.

918 views
0 faves
0 comments
Uploaded on December 15, 2005
Taken on December 14, 2005
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