- "Brush, Charles Francis, 1849-1929" (x)
- 1923 (x)
- Search results
Search results
Show more3 Typed letters between Charles F., Sr. and Alfred Cowles regarding the life and work of German physicist Alfred H. Bucherer in relation to Brush's work in gravitation and Einstein's theory of relativity. Includes reprint of Bucherer's work entitled The Movement of Planets According to the Quantum Theory, and Critical Comment on Einstein's Gravitational Equations. English translation printed by McIlroy and Emmet, New York, 1923.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 3: Business and Professional (1876-1931)
Box 4
Folder 6
Show less
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
Show less
Show more4 Typed letters between William Keily and Charles F., Sr., in which Keily requests Brush's comments on a recently published article describing the history of public electric lighting in San Francisco and Chicago, and Brush provides corrected information and refers Keily to a 1905 article Brush wrote on the subject.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 3: Business and Professional (1876-1931)
Box 4
Folder 17
Show less
Show more4 typed and handwritten letters between T. Martin and Charles F., Sr., discussing historical writings about electricity Martin was working on, a National Engineering Museum proposal, Brush's contributions to electricity and Brush's current work on gravity.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 3: Business and Professional (1876-1931)
Box 5
Folder 2
Show less
Show more5 Typed letters between Richard Millikan and Charles F., Sr., discussing potential flaws in Brush's free-fall experiments which Brush believed demonstrated a different mass-weight ratio in various elements, and Brush's later experiments with the Bureau of Standards exploring spontaneous generation of heat in igneous rocks. Letters dated 1923, 1924, 1926.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 3: Business and Professional (1876-1931)
Box 5
Folder 6
Show less
Show more3 letters between I. R. Prentiss and Charles F., Sr., Prentiss in 1921 describing his idea for golf clubs weighted inversely according to length to make each club in a set hold the same balance, Brush in 1923 describing his 1886 patent on storage batteries, and Prentiss's response to Brush's letter in 1923.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 3: Business and Professional (1876-1931)
Box 5
Folder 12
Show less
Show more8 Typed letters between Charles F., Sr., S. Williams, S. Davis, and W. Palmer. Williams wrote Brush describing his idea for a steel research institute of some kind to coordinate research in the field. Brush forwarded the letter to Palmer and subsequently to Davis, of American Steel Wire and American Sheet Tin Plate respectively. Palmer thought Davis's company would be more interested, but Brush felt Davis did not appreciate the need. Includes "The Magnetic-Mechanical Analysis of Ferromagnetic Substances, Its Bearing on Theories of Magnetization" by S. R. Williams.
Charles F. Brush, Sr., Papers
Series 1: Correspondence
Subseries 3: Business and Professional (1876-1931)
Box 5
Folder 21
Show less