Offering this rare book titled "Motion and Time Study" by Ralph Barnes.  2nd Edition.   Ralph Barnes was a professor of Industrial Engineering and Director of Personnel at the College of Engineering, University of Iowa.   The book is meant to help industries - The definition of Scope of Motion and Time Study is broken into 4 parts;  1. Finding the most economical way of performing an operation, 2. Standardizing the operation - written standard practice, 3. Setting the time standard, 4. Training the operator.   
390 total pages with many charts, tables, graphs, illustrations.   Dimensions about 9 x 6.