. The bathyscaph Trieste : technological and operational aspects, 1958-1961. Trieste (Bathyscaphe); Bathyscaphe. Aft ballast tub and light for TV cameras complete tub by opening the holding magnetic circuit. The tubs are each filled with 8 tons of steel shot. Located at the bottom of each tub is an orifice surrounded by an elec- tromagnet. When the magnetic circuit is energized, the shot is held in the orifice and cannot flow. When the cir- cuit is turned off, the shot is no longer magnetized and is able to flow. The magnetic valve in each of these circuits is double-wired to prevent accidenta
. The bathyscaph Trieste : technological and operational aspects, 1958-1961. Trieste (Bathyscaphe); Bathyscaphe. Aft ballast tub and light for TV cameras complete tub by opening the holding magnetic circuit. The tubs are each filled with 8 tons of steel shot. Located at the bottom of each tub is an orifice surrounded by an elec- tromagnet. When the magnetic circuit is energized, the shot is held in the orifice and cannot flow. When the cir- cuit is turned off, the shot is no longer magnetized and is able to flow. The magnetic valve in each of these circuits is double-wired to prevent accidental loss of the tubs through wire failures. An arrangement of pins, turn- buckles and gates mechanically secures the system during nonoperating periods. Closed-Circuit Television The closed-circuit television system allows an expan- sion of the viewing area at both the sea floor and in mid- water. The vidicon tube camera unit, designed to withstand over 16, 000 psi, is located beneath the entrance tube of the 22. 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 Walsh, Don; U. S. Navy Electronics Laboratory (San Diego, Calif. ). San Diego, Calif. : U. S. Navy Electronics Laboratory
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
