Agricultural Implements and Machines in the Collection of the National Museum of History and Technology / Smithsonian Studies in History and Technology, No. 17

by John T. Schlebecker

Oliver, S. H., donor, [82]

Oliver chilled plow, [219]

Oliver Corporation [219] (donor), [220], [378]

Olmstead, Frank E., donor, [83]-[87]

Oneida Community, donor, [351]-[358]

Orchard ladder, [407]

Osmundson, A. G., donor, [81]

Osmundson Forge Co., [81]

Otter trap, [354]

Oxen, implements used in connection with, [41], [100], [156], [159]