Box 7
Container
Contains 797 Results:
Testing specimen: Close-up of broken section of reinforced concrete, 1960
Item — Multiple Containers
Dates:
1960
Testing specimen: Close-up of broken section of reinforced concrete; labeled 20-B, 1960
Item — Multiple Containers
Dates:
1960
Testing specimen: Close-up of broken section of reinforced concrete; labeled 21-B, no date
Item — Multiple Containers
Dates:
no date
Testing specimens: Broad view of four horizontal I-beams, 1960
Item — Multiple Containers
Dates:
1960
Testing specimens: Three horizontal steel I-beams with various projections, 1960
Item — Multiple Containers
Dates:
1960
Testing specimens: Broad view of five horizontal steel I-beams with various projections, 1960
Item — Multiple Containers
Dates:
1960
Specimen: View of testing machinery; negative is overexposed, 1960
Item — Multiple Containers
Dates:
1960
Testing specimens: Broad view of five I-beams with various projections in wooden contraptions; man can be seen in the background, 1960
Item — Multiple Containers
Dates:
1960