What to do and how to do it; the American boys handy book (1920)
Beard, Daniel Carter, 1850-1941 · New York, C. Scribner's sons · leaf 117
et inside. The handles and scrapers are composed of iron. If the machine become fast between the rocks of the bottom,the string that binds the joint marked in the diagram (Fig. 65)will part, thus allowing the machine to turn edgewise and freeitself. Many curious objects were frequently brought up… … The Tangle, a name given to tassels ofhemp that are often at-tached to the bottom ofthe dredge itself or usedseparately (Figs. 66 and61), The Trawl. If the bottom to be ex-plored be smooth a trawlcan be used (Fig. 68).This consists of a net lar-ger than the one connect-ed with the dredge. Thefront…
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