Mechanical drafting handbook
Subtitle: standards, conventions, and procedures [by] Frank Roy Kepler and William Bettencourt.
Contributors: Bettencourt, William, 1902- joint author.
Edition: 1963 ed.,  rev. and enl.
Publisher: Bruce Pub. Co.
Published: 1963
Place of publication: Milwaukee
Language: eng
Number of pages: 191
Subjects: Mechanical drawing.