Handwritten notecard from Theodore Lyman to Charles F., Sr., thanking Brush for sending to Lyman a copy of the paper, entitled Gravitation, by Brush Ch Show moreHandwritten notecard from Theodore Lyman to Charles F., Sr., thanking Brush for sending to Lyman 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 7 Show less
Typed letter from Theodore Lyman to Charles F., Sr., thanking Brush for sending a copy of his paper on Persistent Generation of Heat in Some Rocks to Show moreTyped letter from Theodore Lyman to Charles F., Sr., thanking Brush for sending a copy of his paper on Persistent Generation of Heat in Some Rocks to Lyman Charles F. Brush, Sr., Papers Series 1: Correspondence Subseries 2: Acknowledgments (1921-1929) Box 3 Folder 5 Show less