Mechanical drafting handbook
Subtitle: standards, conventions, and procedures
By: [by] Frank Roy Kepler and William Bettencourt.
Contributors: Bettencourt, William, 1902-
Edition: [5th ed.] rev. and enl.
Publisher: Bruce Pub. Co.
Published: 1949
Place of publication: Milwaukee
Language: eng
Number of pages: 181
Subjects: Mechanical drawing.