http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f86-subject=Threshing machines) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f86-subject%3DThreshing%20machines Results for your query: docsPerPage=100;f86-subject=Threshing machines Thu, 01 Jan 1970 12:00:00 GMT Floyd Clymer's album of historical steam traction engines. Clymer, Floyd, 1895-1970 https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT Autobiography of Peter Geiser, inventor: the Geiser Separator, patented 1852-1855. Geiser, Peter, 1826-1901 https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT