Water weed cutting launches developed in England by Howard and Dennis, Ltd, are of shallow draft, flat bottom type fitted with tempered steel cutting blades, and can be used for clearing of overgrown areas and for maintenance of clear water; 30 standard models of small scale, one man operated dredgers built at Lilliput Works of B.P.de Groot, Jr (Netherlands) are bucket dredgers or of suction type.
Keeping narrow waterways navigable
Dock Harbour Authority
Dock and Harbour Authority ; 35 , n 404
1954
2 pages
Aufsatz (Zeitschrift)
Englisch
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