To withstand the pressure over 14,000 feet down, the submersible Alvin's hull is this metal, about 2 inches thick
.... Five thousand miles of pipe, from small 2-inch flow lines to 26-inch trunk 
..... of submersible pressure huUs and hard tanks, outer hull or fairing structures,
... [DOC] [TLE] Solid-State Device Development for High-Pressure Environment [PAR] High hydrostatic pressure on the electrical and electronic ... As submersibles are 
designed for greater depth, the ratio