A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Tubular steel towers 52 ft. high carry stiff-leg Derrick
Construction of unusual stone-handling rig designed for erection of Pittsburgh church; steel grillage on light floor supports pipe towers; capacity of derrick is 4 tones on radius of 50 ft, or 3 tons on 75-ft radius.
Tubular steel towers 52 ft. high carry stiff-leg Derrick
Construction of unusual stone-handling rig designed for erection of Pittsburgh church; steel grillage on light floor supports pipe towers; capacity of derrick is 4 tones on radius of 50 ft, or 3 tons on 75-ft radius.
Tubular steel towers 52 ft. high carry stiff-leg Derrick
Eng News-Rec
Streithof, C.P. (author)
Engineering News-Record ; 110
1933
2 pages
Article (Journal)
English
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