Sigbee's machine for sounding with wire, rigged for reeling in.
In: "Report on the Construction and Outfit of the United States Fish Commission
Steamer ALBATROSS", by Lieutenant-Commander Z. L. Tanner, U. S. N. United
States Commission of Fish and Fisheries. Part XI. Report of the Commissioner
for 1883. Plate XXVII, p. 111.
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