Folder 13.7
Container
Contains 6 Results:
Steel column: steel column in testing machine; stamped 8-2-57, no date
Item — Multiple Containers
Dates:
no date
Specimen test: view of threaded specimen bending in machine, no date
Item — Multiple Containers
Dates:
no date
Corner of specimen: close-up of industrial frame specimen; showing evidence of stress and strain; labeled 119, no date
Item — Multiple Containers
Dates:
no date
Test specimen: two men holding ends of suspended gusset assembly, 1957
Item — Multiple Containers
Dates:
1957