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Show moreHandwritten letter, 1 page, from Newton D. Baker to Charles F., Sr., acknowledging receipt of Brush's article, Discussion of a Kinetic Theory of Gravitation, II, and Some New Experiments in Gravitation.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 1
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Show moreTyped letter from Newton D. Baker to Charles F., Sr., thanking Brush for sending his fourth paper on gravitation, which Baker thinks is important for its consideration of composition of mass in calculating gravitational pulls.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 2
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Show moreHandwritten notecard from Newton D. Baker to Charles F., Sr., thanking Brush for sending a copy of his paper, Kinetic Theory of Gravitation III, to Baker
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 4
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Show moreHandwritten index card from Newton D. Baker to Charles F., Sr. thanking Brush for sending his fifth paper on gravitation to Baker, who has read it.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 3
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