File:Deep-sea sounding and dredging; a description and discussion of the method and appliances used on board the Coast and Geodetic Survey Steamer, "Blake. (1880) (14595287970).jpg

Identifier: deepseasoundingd00usco (find matches)
Title: Deep-sea sounding and dredging; a description and discussion of the method and appliances used on board the Coast and Geodetic Survey Steamer, "Blake."
Year: 1880 (1880s)
Authors: U.S. Coast and Geodetic Survey Sigsbee, Charles D. (Charles Dwight), 1845-1923
Subjects: Blake (Ship) Deep-sea sounding Dredges
Publisher: Washington, Gov't Print. Off.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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rs under my command.Since under the liberal control of the Superintendent, the arrangements ofthe vessel for the work in which she was engaged had been made verycomplete, and the party on board had become experienced in the conductof most deep-sea operations, opportunity was offered for undertaking dredg-ing at much less trouble and expense than would have been possible witha new organization. There was needed for the dredging operations thedirection of a capable naturalist, which was secured to the full in the serv-ices of Professor Agassiz; but, for the vessel, only such additional appa-ratus was necessary as belonged strictly to a dredging outfit. The adoption of steel-wire rope, although presenting to our minds atthe outset a few difficulties, which we confidently expected to overcomeafter a short experience, simplified matters as compared with what hadpreviously been thought proper in a dredging outfit. Before that time Plate 24.u. s. coast survey. deep-sea sounding and dredginc.
Text Appearing After Image:
THE BLAKE AT THE WASHINGTON NAVY YARD. THE DREDGING GEAR READY FOR WORK.Heliotype Printing Co., 220 Devotishire St., Boston DREDGING AND TRAWLING—APPAEATUS AND METHODS. 135 dredge-ropes had been of hemp or manila, and usually, for deep work, atapering rope of three inches, two and a half inches, and two inches incircumference had been employed. The size of the steel rope selected forour work was one and one-eighth inches in circumference throughout itswhole length.

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