| Underwood & Underwood Evolution of the sickle and flail--33-horse team combined Harvester--Walla Walla, Washington 1902 Albumen prints, stereograph card each 8.3 x 7.9 cm (3 1/4 x
3 1/8 in) American Art Museum, Smithsonian Institution Museum purchase from the Charles Isaacs Collection made possible in part by the Luisita L. and Franz H. Denghausen Endowment LL/7619
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