Scope and Contents The Agricultural Equipment Catalogs collection consists of approximately 3,500 agricultural machinery sales catalogs, promotional brochures, price lists, owner’s manuals, and illustrated parts lists dating from the late 19th century through the 1940s. The major emphasis lies in tractors and threshers, but the entire range of farm equipment can be found in these catalogs, representing some 150 different manufacturers and suppliers—primarily Midwestern firms, with a limited representation of...