Folder 19.1
Container
Contains 36 Results:
Bar specimens: view of 2 broken specimens; detailed label in image explaining strength, size, etc.; specimens classed as "C-1040 (plain carbon steel, 0.4% carbon) and A-7 (low carbon structural steel for bridges and buildings)", 1955
Item — Multiple Containers
Dates:
1955
Bar specimens: view of 2 broken specimens; detailed label in image explaining strength, size, etc.; specimens classed as "C-1040 (plain carbon steel, 0.4% carbon) and A-7 (low carbon structural steel for bridges and buildings)", 1955
Item — Multiple Containers
Dates:
1955
Testing specimen: steel frame specimen in testing apparatus labeled W-3, no date
Item — Multiple Containers
Dates:
no date
Testing specimen: close-up of break in composite specimen, 1961
Item — Multiple Containers
Dates:
1961
Testing specimen: close-up of break in composite specimen, 1961
Item — Multiple Containers
Dates:
1961