DescriptionCatalogue of Keuffel & Esser Co., New York; General Offices & Factories - Hoboken, N.J. 40th Edition. [October 1944.] 8vo cloth boards, pp. vi, 379, illustrated. Laid in at back: price list for 40th edition, December 1, 1944. Noted on page iii is that the "39th Edition of our Catalog published last year [1943], was intended merely as an interim wartime catalog. It is was limited to the K & E lines of drafting and reproduction materials and equipment and slide rules... 40th Edition...comprises the entire K & E line without omissions."