Carbon13 has created a new geometry drawing set aptly named the Carbon which takes the form of a C13 set which is now available to back via Kickstarter with early bird pledges available from just 5 ...
THE little book by Messrs. Workman and Cracknell is preparatory to a forthcoming work on “Geometry, Theoretical and Practical,” on which the authors are now busily engaged. It consists essentially of ...
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