Breit, Gregory, National Bureau of Standards, to Professor H. D. Smyth, Princeton University, re heavy targets [tls], 10/23/1941

Breit, Gregory, National Bureau of Standards, to Professor H. D. Smyth, Princeton University, re heavy targets [tls], 10/23/1941, Box: 1, Folder: 50. Robert R. Wilson papers, 14-22-3093. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/222423 Accessed July 28, 2025.