Examination of Earnings in Certain Standard Machine-Tool Occupations in Philadelphia
Subtitle: A Study Based on Data for the Years 1911-1913 and 1919-1929, Supplied by Spinners Owning 90 per Cent of the Active Sales-Yarn Spindles in the United States
Publisher: University of Pennsylvania Press
Published: 1929
Language: eng
ISBN-13: 9781512811636