Use of automatic electric welding machines that turn out about five times production of manually operated equipment; since automatic machines work satisfactorily only on surfaces that are approximately level, normal techniques of ship construction required modification.
Machine welding speeds liberty ships
Eng News-Rec
Engineering News-Record ; 129 , n 13
1942
4 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1941
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Engineering Index Backfile | 1947
Building liberty ships in America
Engineering Index Backfile | 1942
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