Folder 31.1
Container
Contains 14 Results:
Water Flow Testing: Top view of abutment with numbered string marking water patterns, 1960
Item — Multiple Containers
Dates:
1960
Water Flow Testing: Top view of water flow patterns marked by numbered pieces of string, 1960
Item — Multiple Containers
Dates:
1960
Water Flow Testing: Top view of water flow patterns marked by numbered pieces of string; abutment is visible, 1960
Item — Multiple Containers
Dates:
1960
Water Flow Testing: Top view of water flow patterns marked by numbered pieces of string; abutments are visible, 1960
Item — Multiple Containers
Dates:
1960