Handwritten postcard from Walter D. Lambert to Charles F., Sr., thanking Brush for sending a copy of his Kinetic Theory of Gravitation, III to Lambert Show moreHandwritten postcard from Walter D. Lambert to Charles F., Sr., thanking Brush for sending a copy of his Kinetic Theory of Gravitation, III to Lambert. Charles F. Brush, Sr., Papers Series 1: Correspondence Subseries 2: Acknowledgments (1921-1929) Box 3 Folder 4 Show less
Typed letter from Walter D. Lambert to Charles F., Sr. thanking Brush for sending his fifth paper on gravitation to Lambert. Charles F. Brush, Sr., Pap Show moreTyped letter from Walter D. Lambert to Charles F., Sr. thanking Brush for sending his fifth paper on gravitation to Lambert. Charles F. Brush, Sr., Papers Series 1: Correspondence Subseries 2: Acknowledgments (1921-1929) Box 3 Folder 3 Show less