Work measurement manual.
By: by Ralph M. Barnes.
Edition: 3d ed.
Publisher: Planographed by John S. Swift co., inc.
Published: 1946
Place of publication: St. Louis, Chicago [etc.]
Language: eng
Number of pages: 218
Subjects: Time study.; Motion study.
Notes: Imprint covered by label: Wm. C.Brown company, Dubuque, Ia..