How to read blueprints.
Contributors: National Metal Trades Association. National Committee on Industrial Training.
Publisher: National Metal Trades Association
Published: 1940
Place of publication: Chicago, Ill
Language: eng
Number of pages: 22
Subjects: Blueprints.
Notes: Cover title.
"Developed by the Chicago branch, National Metal Trades Association, Committee on Specialist Training ...  Adopted and issued by the National Committee on Industrial Training."