The web of equilateral triangles
Subtitle: an instrument for the use of draughtsmen and designers
By: devised by H. G. Maratta.
Publisher: Colonial printing company
Published: 1915
Place of publication: [New York
Language: eng
Subjects: Design.
Notes: Portfolio; pocket inside front cover, faced with mounted leaf of text; the "web," a full-page diagr., on lining-paper.