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General Electric. Experiments, 1926-1929
54 Typed letters between Charles F., Sr., various members of the General Electric Company, P. Wold, and students at Union College, written in 1926, 1927, 1928, and 1929, regarding attempts to repeat Brush's free-fall experiments on gravitation, ideas for new apparatuses and refinements on the experiments, and results of other experiments, ending only with Brush's death in June 1929. Several letters includes diagrams of the new apparatuses and charts of results.Charles F. Brush, Sr., PapersSeries 1: CorrespondenceSubseries 3: Business and Professional (1876-1931)Box 4Folder 1
Hatch Library, exterior, south and west sides
black and white exterior oblique distant view of 2 sides of building / building along west side / grass lawn with leafless trees in foreground / sidewalk with short chain fence leading around 2 sides of building / bushes along building / street with cars parked on it in backgroundplace
Cornell, C.H., 1926-1927
6 typed letters between Charles F., Sr., and C. Cornell discussing Cornell's theory of and blueprints for a water and air engine likely to be a perpetual motion scheme.Charles F. Brush, Sr., PapersSeries 1: CorrespondenceSubseries 3: Business and Professional (1876-1931)Box 4Folder
Hobbes, William H., 1926-1927
6 Typed letters between William Hobbes and Charles F., Sr., in which Hobbes hopes Brush will finance further geographical work, Hobbes mentions naming a mountain in Greenland Mt. Brush, and Brush suggests Hobbes look elsewhere for financing. Includes photograph of Mt. Brush.Charles F. Brush, Sr., PapersSeries 1: CorrespondenceSubseries 3: Business and Professional (1876-1931)Box 4Folder 1
Piezo Electrical Crystals, 1926-1930
Typed correspondence, typed and signed forms, handwritten notes and illustrations relating to Brush Laboratories Company and Piezo electrical crystals. Typed letter from Edward R. Alexander to Charles F., Jr., dated December 14, 1926, regarding patents for Brush Laboratory Piezo electrical crystals and related technology. Typed response from Charles F., Jr. to Alexander, dated December 16, 1926. Nineteen separate typed and signed forms, dated 1930, 1931, 1932, or 1933, stating that the signer has been shown, in confidence, the experimental works being carried out at Brush Laboratories on Piezo Electric Crystals or machines using these crystals. Handwritten notes and illustrations regarding Piezo electric technology, no date, unknown authorCharles F. Brush, Sr., PapersSeries 9: Brush Companies (1880s-1933)Subseries 1: The Brush Laboratories Company (1921-1933)Box 29Folder 1
Miller, Dayton C., 1926-1929
5 Typed and handwritten letters between Dayton C. Miller and Charles F., Sr., regarding attempting to disprove experiments that support Einstein’s theory of relativity in 1926, Miller's and Brush's experiments in the ether and gravitation in 1928, and Brush's 80th birthday in 1929.Charles F. Brush, Sr., PapersSeries 1: CorrespondenceSubseries 3: Business and Professional (1876-1931)Box 5Folder
General Electric, History, 1925-1929
55 Typed and handwritten letters between Charles F., Sr., and General Electric Company employees, particularly W. Culver and J Hammond, regarding research into the history of General Electric and electrical lighting. Written in 1925, 1926, 1927, and 1928. Culver particularly asking Brush what to include regarding Brush's early work and Brush Electric Company. Includes correspondence concerning plans for 50th anniversary of first dynamo test, a letter from Popular Mechanics writer wishing to write on Brush's contributions to electricity, and letters regarding G. W. Stockley's work with Brush Electric Company. Also includes photograph of newspaper clipping from 1927 regarding Brush's visit to a G.E. plant. Includes letter from Elihu Thomson in 1929 regarding 50th anniversary of incandescent lamp.Charles F. Brush, Sr., PapersSeries 1: CorrespondenceSubseries 3: Business and Professional (1876-1931)Box 4Folder 1
Brush, Charles F. Last Will and Testament, 1925-1929
3 typed copies of Last Will and Testament of Charles F., Sr., one from1925, 2 from 1929Charles F. Brush, Sr., PapersSeries 8: Other Papers (1842-1960)Subseries 3: Legal (1876-1929)Box 28Folder