John H. Mahan. Appl. au.: Western Electric Company, Inc., employer for hire.
Blueprint reading--reference book--basic; mechanical trades training text.
R578099. Blueprint reading--reference book--basic; mechanical trades training text. By John H. Mahan. Appl. au.: Western Electric Company, Inc., employer for hire. © 3Sep46; AA25130. Western Electric Company, Inc. (PWH); 29May74; R578099.
Western Electric Company, Inc.|PWH