Folder 14.5
Container
Contains 14 Results:
Testing specimen: close-up of concrete cylinder in testing machine, 1960
Item — Multiple Containers
Dates:
1960
Testing specimen: steel plate with bolts severed in testing; labeled 4690, 1960
Item — Multiple Containers
Dates:
1960
Test specimen ; testing machine: view of plate specimen in testing machine with 2 men, 1953
Item — Multiple Containers
Dates:
1953
Roof testing: close-up view of beams with several gauges attached, no date
Item — Multiple Containers
Dates:
no date