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→Striving for the Pope's Commission
=Striving for the Pope's Commission=
*Giotto's perfect circle.
http://www.allaboutdrawings.com/images/circles2.jpg
*Legends
http://hight3ch.com/wp-content/uploads/2008/01/perfect_circle.jpg
http://www.maniacworld.com/perfect-circle.jpg
*linear apparatus. substructure.
http://farm4.static.flickr.com/3534/3233164819_b262d5075a.jpg
*Stroke recording apparatus. Two pulleys. Weights. Rotary encoders.
[[File:arm recording apparatus.jpg|400px]]
