Abstract

The use of a tension meter or dynamometer for deep-sea dredging and coring is common practice on oceanographic vessels (Sigsbee 1880: 159–160, Thomson and Murray 1885: 61–63, Soule 1949: 49–50, Kullenberg 1955). However, in deep water, variations in wire tension that indicate bottom contact are frequently masked by the "background" of tension fluctuations due to the ship's motion....

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