2 vols, Part I First Printing, 204pp with 41 illustrations; Part II 5th printing, 112pp with 12 illustrations (halftones, folding charts, plans, diagrams, printed forms &c). Both volumes in original embossed cloth, very good. In the series: Lincoln Factory Executive Service: A Complete Training Service in the Principles & Practice of Modern Factory Management. Cleveland: Lincoln Extension Institute, 1949 and 1941.