Description: Papers of Ray I. Shawl (1890- ), '16, M.S. '19, professor of agricultural engineering (1921-58), including correspondence (1913, 1916, 1919-58), manuscripts (1915-57), publications (1926, 1930-48), reports and programs (1927-55), student papers (1913, 1924, 1928, 1938), research file (1890, 1910-55), newspaper clippings (1924) and photographs (1944-48) relating to farm mechanics and the purchase, maintenance, lubrication and use of farm machinery and equipment including combines, corn pickers and planters, diesel engines, plows and tractors. Most correspondence is with farm implement manufacturers, oil companies and agricultural journals regarding research data and publications on farm machinery and petroleum products. Manuscripts include speeches presented at short courses, conferences and professional society meetings and talks given over radio station WILL on farm machinery (1929-57). The series includes convention programs and committee reports of the American Society of Agricultural Engineers (1927-55) and material on plowing matches and tractor demonstrations (1910-19, 1942, 1954).
The series includes photographic studies of the Assembly Hall construction and use, (1961-66) and agricultural equipment (1933-42).
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