Construction of dock at Sunnyvale, Calif, 117 ft long, 308 ft wide and 194 ft high; frame consists of series of equal-depth arch trusses on 72-ft centers and necessary bracing and roof members; timber traveler, 194 ft high, carrying three 35-t stiff-leg derricks, erected each arch truss and its bracing in 3 1/2 days, moving 72 ft, to position of next arch, in 2 min.
Timber traveler erects airship dock
Eng News-Rec
Engineering News-Record ; 109 , n 17
1932
4 pages
Aufsatz (Zeitschrift)
Englisch
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