Diagrams: Four diagrams labeled a,b, c and d. A: Diagram of Strain gauge Position; B: Measured Strains (anti-symmetric), labeled No. 15-13; C: Residual Stress (anti-symmetric), included theoretical and experimental results; D: Residual Stress (polar-symmetric), 1960

Diagrams: Four diagrams labeled a,b, c and d. A: Diagram of Strain gauge Position; B: Measured Strains (anti-symmetric), labeled No. 15-13; C: Residual Stress (anti-symmetric), included theoretical and experimental results; D: Residual Stress (polar-symmetric), 1960, Box: 7; Item: 4790; Folder: 24.2. Negatives and Photographs of Fritz Engineering Laboratory Tests and Events, SC Photo 0013. Lehigh University Grant Projects. https://archivesspace.lib.lehigh.edu//repositories/7/archival_objects/75756 Accessed May 19, 2026.