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Show moreTwo publications of, one typescript, and one handwritten manuscript for the Brush genealogy entitled, A Concise Genealogy of Isaac Elbert Brush and Delia Williams Phillips, His Wife, and of Their Descendants. First book published in 1925, includes part one and appendices. Second book published in 1932, consists of part one, part two, and appendices. Typescript, dated October 17, 1931, consists of biographical sketch for Charles F., Sr. Handwritten manuscript, dated 1927, early draft for section on the scientific impact of Charles F., Sr.
Charles F. Brush, Sr., Papers
Series 8: Other Papers (1842-1960)
Subseries 1: Biographical (1880s-1932)
Box 27
Folder 4
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Show moreThree reprints of A Kinetic Theory of Gravitation. Read by Brush before the American Association for the Advancement of Science, December 1910. Brush explains his theory that the properties of gravity are linked to the ether, citing past theories, as well as experiments he has conducted
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 25
Folder 11
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Show more22 reprints of A New Gas, by Brush, originally read before the American Association for the Advancement of Science on August 23, 1898, later published in the Journal of the American Chemical Society, Volume 20, Number 12, December 1898. Brush proposes the discovery of a new gas, and discusses its heat conductivity in relation to other gases
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 25
Folder 5
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Show moreVarious publications, typescripts, envelops and correspondence related to Charles Francis Brush, Jr. and his biography. Includes obituary for Charles F., Jr., dated June 4, 1927, from unknown publication. Two handwritten letters, one with an envelope, from Dorothy Brush to Mr. Brooks Shepard, dated August 3, 1927 and August 17, 1927, regarding the money Dorothy is giving Shepard in remembrance of Charles F., Jr. Correspondence relating to his biography include a handwritten note by Brooks Shepard, no date, of Brush Genealogy. Typed correspondence between Shepard and George Derby of the National Cyclopedia of American History dated December 22, 1927, January 3, 1928, January 25, 1928, and February 1, 1928. Typescript by Brooks Shepard, dated January 4, 1928, of the biography of Charles F., Jr. Typed letter from Shepard to Charles F., Sr., dated January 20, 1928. Typed letter from Shepard to Baldwin Sawyer, dated January 20, 1928. Typed correspondence between Shepard and Charles F., Sr., dated January 25, 1928 and January 30, 1928. Handwritten manuscript and typescript drafts of Charles F., Jr. biography, typescript dated October 23, 1931
Charles F. Brush, Sr., Papers
Series 8: Other Papers (1842-1960)
Subseries 1: Biographical (1880s-1932)
Box 27
Folder 2
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Show moreVarious reprints and typescripts for biographical sketches of Charles F. Brush, Sr. Includes Biographical Sketch of Charles Francis Brush, reprint from Biographical Cyclopedia of Ohio, no date. Charles Francis Brush, Special Editions 5 and 23 of 30, National Cyclopedia of American Biography, 1930. A Great American Inventor, typescript by C. B. Sawyer, January 15, 1930. Typed letter from W. S. Culver to C. B. Sawyer, January 30, 1930, with attached typescript of A Great American Inventor, in which Culver gives his own opinion on the typescript. Abstracted typescript, dated October 17, 1931, taken from the National Cyclopedia of American Biography for the Brush Genealogy. Charles Francis Brush (1849-1929), reprint from the Proceedings of the American Academy of Arts and Sciences, Vol. 69, No. 13, 1934. Typescript, dated 1935, by Marie Gilchrist. A Recollection Concerning Charles F. Brush, dated March 31, 1941, by Walter L. Flory, regarding the Sandusky Cement Company. Undated biographical typescript of Charles F., Sr. Undated typescript for American Biography
Charles F. Brush, Sr., Papers
Series 8: Other Papers (1842-1960)
Subseries 1: Biographical (1880s-1932)
Box 27
Folder 1
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Show moreThree typescripts, no date, related to the Brush family genealogy. Includes genealogy of Richard Brush, the Phillips Family, and the Brush family from the origins of the name through Charles F., Sr.
Charles F. Brush, Sr., Papers
Series 8: Other Papers (1842-1960)
Subseries 1: Biographical (1880s-1932)
Box 27
Folder 3
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Show moreThree reprints of Changes in the Density of the Ether and Optical Effects of Changes in Ether Density, read by Brush on June 30, 1908 before the American Association for the Advancement of Science, discussing experiments conducted by Brush exploring the susceptibility of the ether to a change in density or pressure. Digital copy includes scan of first book
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 25
Folder 9
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Show moreTwo reprints of the article by Charles F. Brush, Sr. entitled, Development of Magnetic Susceptibility in Manganese Steel by Prolonged Heat Treatment, from the Proceedings of the American Philosophical Society, Volume 57, Number 4, dated 1918. Originally read on April 19, 1918. In the experiments outlined in this paper, Brush branches from his study in spontaneous heat generation in steel in order to experiment with the magnetic qualities of manganese steel
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 26
Folder 1
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Show moreTwo typed and one handwritten manuscript related to the paper by Charles F. Brush, Sr., entitled Discussion of "A Kinetic Theory of Gravitation," which further explains the theory he expounds in his paper, A Kinetic Theory of Gravitation, that gravitation is due to intrinsic energy of the ether. Originally read on April 24, 1914. Includes publication of paper from the Proceedings of the American Philosophical Society, January to May, 1914, a typed copy of the article abstract and handwritten copy of article abstract, both with no date
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 25
Folder 13
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Show moreTwo reprints of the article by Charles F. Brush, Sr. entitled, Discussion of a Kinetic Theory of Gravitation, II, and Some New Experiments in Gravitation, from the Proceedings of the American Philosophical Society, Volume 60, Number 2, dated 1921. Originally read April 22, 1921. Brush conducts experiments and reports his findings promoting his theory that energy in all its forms comes in some way from the ether and is energy of the ether
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 26
Folder 6
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Show moreTwo reprints of the second paper of the article by Charles F. Brush, Sr. entitled, Discussion of a Kinetic Theory of Gravitation II and Some New Experiments in Gravitation, from the Proceedings of the American Philosophical Society, Volume 61, Number 3, dated 1922. Brush expands upon his findings of the previous paper on the kinetic theory of gravitation, and experiments further to prove the mass to weight ratio relationship differs in different substances
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 26
Folder 7
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Show moreTwo reprints of the third version of the article by Charles F. Brush, Sr. entitled, Discussion of a Kinetic Theory of Gravitation II, and Some New Experiments in Gravitation, from the Proceedings of the American Philosophical Society, Volume 62, Number 3, dated 1923. Originally read April 20, 1923. Brush continues his experiments with weights, using different metals and comparing their velocity when falling
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 26
Folder 8
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Show moreTwo reprints, three typescripts, and one handwritten manuscript for the article by Charles F. Brush, Sr. entitled, Discussion of the Kinetic Theory of Gravitation III, from the Proceedings of the American Philosophical Society, Volume 65, Number 3, dated 1926. Originally read April 23, 1926. Brush presents some experimental evidence supporting the theory of continual generation of heat in some igneous rocks and minerals, and the relation of this to the internal heat of the earth and presumably the sun. Tests conducted on machinery at the Sandusky Cement Company
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 26
Folder 11
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Show moreOne reprint, one typescript abstract, two handwritten manuscripts for the article by Charles F. Brush, Sr. entitled, Discussion of the Kinetic Theory of Gravitation IV: Correlation of Continual Generation of Heat in Some Substances and Impairment of their Gravitational Acceleration. Reprint from the Proceedings of the American Philosophical Society, Volume 67, Number 2, dated 1928. Handwritten manuscripts dated April, 1928. No date on typescript abstract. Brush presents a summary and further evidence from his experiments in gravitation
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 26
Folder 15
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Show moreTwo reprints of and one early typescript for the paper by Charles F. Brush, Sr. and Sir Robert A. Hadfield entitled, Further Experiments on Spontaneous Generation of Heat in Recently Hardened Steel, from the Proceedings of the Royal Society, Series A, Volume 95, dated 1918. Reprint summarizes experiments and findings of previous two papers by Brush and Hadfield, regarding the behavior of recently hardened steel, then expands on experiments, attempting to create an empirical law to describe the phenomenon of spontaneous heat generation in recently hardened steel. Typescript, dated September 29, 1917, is an early rough draft of the final paper
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 26
Folder 3
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Show moreFive reprints, one typescript, one handwritten manuscript, and one handwritten manuscript for the article by Charles F. Brush, Sr. entitled, Gravitation. Reprints, dated 1929, from the Proceedings of the American Philosophical Society, Volume 68, Number 1. Typescript dated April, 1929. Handwritten manuscript undated, containing partial text for article. Handwritten manuscript for speech, dated April, 1929, of section entitled, Experimental Evidence of the Ether Waves of Gravitation, probably for the speech, originally read April 19, 1929, before the Philosophical Society. Brush presents evidence for his theory of gravitation from a number of experiments he has performed
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 27
Folder 1
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Show moreTwo typed bibliographies, no date, of scientific papers written by Charles F. Brush, Sr. between 1875-1928. Includes citations for papers on the kinetic theory of gravitation and other scientific experiments conducted by Brush related to gases and the ether
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 25
Folder 1
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Show moreOne reprint of, one typescript, and one handwritten manuscript for the article by Charles F. Brush, Sr. entitled, Persistent Generation of Heat in Some Rocks and Minerals, and its Probable Significance, Second Paper, from the Proceedings of the American Philosophical Society, Volume 66, dated 1927. Originally read April 29, 1927, typescript dated April, 1927. Brush continues his experiments with heat generation in various rock samples, in support of his kinetic theory of gravitation. Tests conducted with machinery at the Sandusky Cement Company
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 26
Folder 12
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Show moreTwo reprints of Photographic Photometry and Some Interesting Photographic Phenomena. Read by Brush before the American Association for the Advancement of Science, December 29, 1909 and published in The Physical Review, Volume 31, Number 3, September 1910. Paper discusses experiments Brush conducted with variations in photographic exposure and development times
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 25
Folder 10
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Show moreThree reprints of Some Diffraction Phenomena Superposed Fringes. Published in The Proceedings of the American Philosophical Society, Volume 52, Number 209, April 1913. Brush discusses his experiments in observation of fringe edges within a millimeter or two of the diffracting edge, by means of a microscope. Also includes 2 large copies of the illustrations from the article.
Charles F. Brush, Sr., Papers
Series 7: Articles by Charles F. Brush (1879-1929)
Box 25
Folder 12
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