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Show moreTyped and handwritten correspondence, typescript, illustrations, blueprint, publications, flyers, newspaper clippings, postcard and internal memorandums, from years 1929, 1930, 1931, 1932, 1933, 1934, 1935, 1936, 1937, 1938, 1939, 1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, and 1950, related to the life, career, interests, legacy and scientific works of Charles F. Brush, Sr. Enclosed illustrated catalog and pricelist for the Pratt and Whitney Company Small Tool Department dated 1889, enclosed financial receipts from the Pratt and Whitney Company to Charles F., Sr., dated 1892. Internal memorandums authored by Ruth Sebastian, secretary to Charles Baldwin Sawyer. Letters authored by or written to Sawyer, W. S. Culver, R. G. Perkins, Alexander C. Dick, Peter I. Wold, Nora H. Schirg, Fred N. Acker, E. A. Harrington, George R. Stran, Frazier Hunt, David Sanders Clark, E. Philip Earl, Charles N. Moore, Frederick J. Root, Walter L. Flory, R. M Bushey, Leatha Logan, Brooks Shepard, John W. Love, J. C. Foster, Shelden Cary, F. E. Senftle. Clipping from the London based paper entitled, The Economist. Illustrated catalog and price list for the Pratt and Whitney Company Small Tool Department, dated 1889. Notes on Presentation of the Paper, by Peter Wold, on Mass Weight Ratio, 1931. Typescript of paper by E. A. Harrington entitled, Further Experiments on the Continuous Generation of Heat in Certain Silicates, including illustrations, no date. Program with speech notes for National Inventors Day, dated 1936. Blueprint for second floor of a building on Euclid Avenue, Cleveland, Ohio, showing location of various pieces of apparatus requested by Sawyer, dated 1939
Charles F. Brush, Sr., Papers
Series 10: Charles Baldwin Sawyer's Collection Related to Charles F. Brush (1911-1966)
Box 31
Folder 7
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Charles F. Bru
Show more6 diagrams, 8 black and white photographs, and 2 photometry photographs relating to gravitation experiments performed by Charles F., Sr.
Charles F. Brush, Sr., Papers
Series 13: Photographs (1880s-1954)
Box 39
Folder 5
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Charles F. Brush, Sr., Papers
Series 13: Photographs an
Show more5 laminated diagrams of various mechanical devices used by Brush in his gravitation experiments.
Charles F. Brush, Sr., Papers
Series 13: Photographs and Drawings (1880s-1954)
Box 41
Folder 4
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