. The depths of the ocean; a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic. Oceanography. THE SHIP AND ITS EQUIPMENT 33 dredging, the time required for dredging depending, of course, upon the nature of the bottom. The joint labours of Agassiz and Sigsbee led to a great. Fig. ii.—The "Challenger" Trawl. Fig. 12.—Sigsbee's Trawl. (From Sigsbee.) improvement in the appliances. Previously the dredges had ploughed into the ocean floor (Fig. 10, a), but the one employed by Sigsbee
. The depths of the ocean; a general account of the modern science of oceanography based largely on the scientific researches of the Norwegian steamer Michael Sars in the North Atlantic. Oceanography. THE SHIP AND ITS EQUIPMENT 33 dredging, the time required for dredging depending, of course, upon the nature of the bottom. The joint labours of Agassiz and Sigsbee led to a great. Fig. ii.—The "Challenger" Trawl. Fig. 12.—Sigsbee's Trawl. (From Sigsbee.) improvement in the appliances. Previously the dredges had ploughed into the ocean floor (Fig. 10, a), but the one employed by Sigsbee (Fig. 10, b) was believed to have skimmed over it, and so collected the animals which lived upon the surface, sweeping them up from a wide extent of ground. Both kinds D. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Murray, John, Sir, 1841-1914; Hjort, Johan, 1869-. London Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlondo, bookyear1912
