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A1999-004.592 : Banfield Freeway [I-84] : shows the mathematically computed tension shims in Pl for the NE 60th Ave viaduct
Tuesday, July 27, 1954
A1999-004
AP/925
Black and white
8 X 10
A1999-004.592 : Banfield Freeway [I-84] : shows the mathematically computed tension shims in Pl for the NE 60th Ave viaduct
Tuesday, July 27, 1954
A1999-004
AP/925
Black and white
8 X 10