Gear drawing standards
Subtitle: part 1, for spur, helical, double helical and rack.
Contributors: American Society of Mechanical Engineers.; American National Standards Committee  Y14 Standards for Drawing and Drafting Practice.
Publisher: American Society of Mechanical Engineers
Published: 1972
Place of publication: New York
Language: eng
Number of pages: 15
Subjects: Gearing - Standards.
Notes: Cover title.

"ANSI Y14.7.1 - 1971".

"Partial revisionof Y14.7 - 1958".