01460oam 2200409 a 450 991070338730332120120328112448.0(CKB)3780000000428253(UtSlPG)27327(OCoLC)643549721(EXLCZ)99378000000042825320100625d1972 ua 0engurbn||||||abpurbn||||||adatxtrdacontentcrdamediacrrdacarrierAgricultural implements and machines in the collection of the National Museum of History and Technology[electronic resource] /by John T. SchlebeckerWashington, D.C. :Smithsonian Institution Press,1972.1 online resource (iii, 57 pages) illustrationsSmithsonian studies in history and technology ;no. 17Includes index.Agricultural implementsUnited StatesCatalogsAgricultural machineryUnited StatesCatalogsCatalogs.lcgftAgricultural implementsAgricultural machinerySchlebecker John T1352899Smithsonian Institution.OCLCEOCLCEGPOBOOK9910703387303321Agricultural implements and machines in the collection of the National Museum of History and Technology3474278UNINA