Folder 24.18
Container
Contains 7 Results:
Corner of specimen: close-up of v-shaped specimen; labeled 1409, no date
Item — Multiple Containers
Dates:
no date
Steel frame test: close-up of corner connection; labelled "5102", no date
Item — Multiple Containers
Dates:
no date
Test of specimen: view of 3 men conducting test of mine prop, 1953
Item — Multiple Containers
Dates:
1953
Testing specimen: I-Beam specimen in testing machine with wiring and gauges attached; labeled D5-1, no date
Item — Multiple Containers
Dates:
no date
Men giving presentation to crowd: crowd of seated men observing presentation in Fritz Lab; "May 13 1957" stamped on reverse, 1957
Item — Multiple Containers
Dates:
1957
Men giving presentation to crowd: crowd of seated men observing presentation in Fritz Lab, 1957
Item — Multiple Containers
Dates:
1957