Of or regarding the much deeper elements of the sea: as, deep-sea dredging.
the range, made from metal cable, weighing about 14½, weight towards the nautical mile;
equipment for managing the decreasing of the sinker and reeling inside cable using cylinder attached in such a fashion your unusual stress as a result of motion for the ship are guarded against together with threat of breakage thus paid down to the very least. In the deepest accurate sounding however made the bottom had been reached within depth of 4,655 fathoms, but owing to the busting of the line no specimen ended up being acquired. This sounding had been made on the “Tuscarora” by Commander G. E. Belknap, U.S. N., in north latitude 44° 55′ , east longitude 152° 26′ . The deepest sounding yet produced in which a specimen for the bottom was brought up ended up being that of america Coast study steamer “Blake,” down Porto Rico, the depth indeed there achieved becoming 4,561 fathoms.