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Charles F. Brush, Sr.
Show moreTyped letter from Charles A. Darius to Charles F. Brush, Sr., about Darius receiving a copy of Brush's third paper on Gravitation
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 1
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Show moreTwo typed letters between Charles A. Darius and Charles F., Sr., discussing the fourth paper on gravitation by Brush, which Darius read, commenting on several aspects of the experiments, as well as the use of bismuth and tellurium by Brush. In response, Brush talks about his use of magnetism with his experiments. Darius wrote his letter on October 14, 1924 and Brush wrote his response on November 23, 1924.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 2
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Show moreTyped letter from Charles A. Darius to Charles F., Sr., thanking Brush for sending a copy of his paper on Persistent Generation of Heat in Some Rocks to Darius
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 5
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Charles F. Brush, Sr., Pap
Show moreTyped letter from Charles A. Darius to Charles F., Sr., thanking Brush for sending his fifth paper on gravitation to Darius.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 3
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Charles F. Brush, Sr., Pap
Show moreTyped letter from Charles Darius to Charles F., Sr., thanking Brush for sending copy of Brush’s latest theory on gravitation
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 2
Folder 13
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Charles F. Brush, Sr., Papers
Series 1: Corresp
Show moreTyped letter from Charles Darius to Charles F., Sr., thanking Brush for sending latest gravitation paper
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 2
Folder 14
Show less