How to figure type composition by known factors
Subtitle: a new, easy, and labor-saving method of finding the number of ems in any form of type matter; also reference tables, weight of linotype composition, and other information of value to printers, publishers, and printing buyers
By: by Martin Heir.
Publisher: Heir Publishing Company
Published: 1914
Place of publication: Evanston, Ill
Language: eng
Number of pages: 32
Subjects: Printing -- Tables.; Typesetting.