Slide diagram: Diagrams and chart for tests of purlins LB 9,10,11,15,16,17; includes diagram of lateral supports of sections A,B,C and D, 1961

Slide diagram: Diagrams and chart for tests of purlins LB 9,10,11,15,16,17; includes diagram of lateral supports of sections A,B,C and D, 1961, Box: 9; Folder: 11.3; Item: 6072. 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/77164 Accessed May 19, 2026.