Job descriptions for job machine shops
By: prepared by the Job analysis and information section, Division of standards and research, William H. Stead, director.  April 1938.  United States Department of labor.  Frances Perkins, secretary.  United States Employment service.  W. Frank Persons, director.
Publisher: U.S. Govt. print. off.
Published: 1938
Place of publication: Washington
Language: eng
Number of pages: 196
Subjects: Machine-shop practice.; Occupations.; Machinists.
Notes: Bibliography: p. li-liii.
Six correction forms, unpaged, are included.
"Glossary": p. 183-189.