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Notebook M2 p.88 ‘Its rayed flat has the beautiful pattern fig 2 the measures of which are a p. 50. l. fig 3. of course all the lines are joints One of the apexes - a. is at lowest and highest point, and there are 16 round: and of course 16 joints perpendicular to the circles’
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[Version 0.05: May 2008]