Specimen: View of concrete slab being lifted off a flatbed truck with the assistance of three men; man can be seen leaning on the second floor railing; Baldwin UTM visible in background, 1960, Item: 4959; Folder: 32.5; Box: 7. 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/75932 Accessed January 17, 2025.