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This Second Edition is LIMITED to about 200 copies. The first  edition (1924) consisted of 12 copies. The type has been melted. Rare. Half-leather, cloth binding. Gilt lettering and decoration. marbled endpapers. There is a brief introduction and note by the author in which he explains the work. "The book opens with a few pages of counting, then more than half the book is occupied with progressions and the powers and roots of numbers written in several bases of numeration with their sign-phase equivalents in column... The latter part of the book develops a theory of design...There is a chapter on vortex and vortex motion". The volume contains of 500+ pages of mathematically derived geometric designs of varying complexity printed on thin India-like paper of different colors. It is an elegant and rhythmic treatment of the bases of geometric design. The eminent engraver, Robert Wiebling cut the printing matrices. A letterhead sheet of paper from the Wiebling Engraving Company is laid-in. 4to.

Donated by By The Book, LC, Phoenix, Arizona.