Folder 22.15
Container
Contains 6 Results:
Welded corner connection: v-shaped specimen with curved interior of corner; partially visible man, no date
Item — Multiple Containers
Dates:
no date
Steel beam test: view of bent beam with wiring attached, no date
Item — Multiple Containers
Dates:
no date
Testing specimen: I-Beam specimen pictured on floor, view of top from above, no date
Item — Multiple Containers
Dates:
no date
Men working in concrete lab: view of several men working at counters in concrete lab, 1955
Item — Multiple Containers
Dates:
1955
Men working in concrete lab: view of several men working at counters in concrete lab, 1955
Item — Multiple Containers
Dates:
1955