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Illustrated description of a giant dredger. The bucket holds 25 tons, and the boom is 155 feet long. (500 w.)
Illustrated description of a giant dredger. The bucket holds 25 tons, and the boom is 155 feet long. (500 w.)
Dredges for levee building
Sci Am
Brown, Enos (Autor:in)
1902
Aufsatz (Zeitschrift)
Englisch
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