Typed letter from P. H. Taylor to Charles F., Sr. thanking Brush for sending his fifth paper on gravitation to President Peirce of Kenyon College, who Show moreTyped letter from P. H. Taylor to Charles F., Sr. thanking Brush for sending his fifth paper on gravitation to President Peirce of Kenyon College, who is currently in Europe. Charles F. Brush, Sr., Papers Series 1: Correspondence Subseries 2: Acknowledgments (1921-1929) Box 3 Folder 3 Show less
Typed letter from Charles F. Thwing to Charles F., Sr. thanking Brush for sending his fifth paper on gravitation to Thwing and suggesting Brush applie 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 Show less
Typed letter from Harry A. Peters to Charles F., Sr. thanking Brush for sending his fifth paper on gravitation to Peters, who turned it over to the Sc Show moreTyped letter from Harry A. Peters to Charles F., Sr. thanking Brush for sending his fifth paper on gravitation to Peters, who turned it over to the Science Department at University School Cleveland. Charles F. Brush, Sr., Papers Series 1: Correspondence Subseries 2: Acknowledgments (1921-1929) Box 3 Folder 3 Show less