Folder 27.7
Container
Contains 16 Results:
Crane hook specimens photographic processing: close-up of photographic processing on crane hook specimen, 1947
Item — Multiple Containers
Dates:
1947
Testing specimens: visibly identical i-beam testing specimens labeled P1-P6 with differing small bracket pieces on sides; broader view of laboratory, 1959
Item — Multiple Containers
Dates:
1959
Testing specimen: I bar specimen in Baldwin UTM; severed from testing, 1960
Item — Multiple Containers
Dates:
1960
Testing specimen: steel beam specimens and engineers working, 1960
Item — Multiple Containers
Dates:
1960
Testing specimen: steel beam specimens and engineers working, 1960
Item — Multiple Containers
Dates:
1960