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Show moreTyped letter from Charles F. Thwing to Charles F., Sr., thanking Brush for a copy of the address on Kinetic Theory, which Brush gave at the Franklin Institute
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 6
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Show moreTyped letter from Charles F. Thwing to Charles F. Brush, Sr., stating that Thwing has received Brush's third paper on gravitation but has not had a chance to read it
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 Charles F. Thwing to Charles F., Sr., acknowledging that Thwing received and read Brush's fourth paper on Gravitation, and mentioning Kelvin's interest in infinity and other mathematical terminology.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 2
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Ch
Show moreTyped letter from Charles F. Thwing to Charles F., Sr., thanking Brush of sending a copy of his paper, Kinetic Theory of Gravitation III, to Thwing.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 4
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Show moreTyped letter from Charles F. Thwing to Charles F., Sr., thanking Brush for sending to Thwing a copy of the fourth paper on the kinetic theory of gravitation by Brush
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 7
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Charle
Show moreTyped letter from Charles F. Thwing to Charles F., Sr., thanking Brush for sending to Thwing a copy of the paper, entitled Gravitation, by Brush
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 3
Folder 8
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Show moreTyped letter from Charles F. Thwing to Charles F., Sr. thanking Brush for sending his fifth paper on gravitation to Thwing and suggesting Brush applies his work to humanity.
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., Papers
Series 1: Corr
Show moreTyped letter from Charles Thwing to Charles F., Sr., thanking Brush for sending latest paper on gravitation
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 2: Acknowledgments (1921-1929)
Box 2
Folder 13
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