John H. Mahan. Appl. au.: Western Electric Company, Inc., employer for hire.
Blueprint reading--trainee's workbook--basic; mechanical trades training text.
R578098. Blueprint reading--trainee's workbook--basic; mechanical trades training text. By John H. Mahan. Appl. au.: Western Electric Company, Inc., employer for hire. © 4Sep46; AA25129. Western Electric Company, Inc. (PWH); 29May74; R578098.
Western Electric Company, Inc.|PWH