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Submersible Reference Libraries

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Bathysphere
2010-11-15 16:08:22

A bathysphere, designed John H. J. Butler in 1928, is an un-powered deep-sea submersible that is lowered into the ocean on a cable. Watson Stillman Hydraulic Machinery Company handled the casting of the steel sphere. The first version was too heavy but they created a lighter design consisting of a hollow sphere of 1-inch-thick cast steel. The vessel had quartz windows, the strongest...

Word of the Day
malpais
  • The ragged surface of a lava-flow.
'Malpais' translates from Spanish as 'bad land.'