Appendix B: Estimates of the Extent of Use in the United States of Selected Labor-Saving Devices
Published Date
Copyright 1934
ISBN 0870140264
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Copy CitationMechanization in Industry (NBER, 1934), https://www.nber.org/books-and-chapters/mechanization-industry/appendix-b-estimates-extent-use-united-states-selected-labor-saving-devices.