Greenhill, G. (George), Sir, 1847-1927 · London and New York, Macmillan and Co. · leaf 366
if the diver wishes to rise hepartly closes the valve, which causes the dress to beinflated and increases his buoyancy; so also sunkenvessels are raised nowadays by large india-rubber bagsplaced in the hold and pumped full of air. In the Fleuss system the diver carries with him avessel of… … Figs. 74, 75, 76, 77, A form of diving bell is shown in flg, 76 which isuseful for the construction of harbours; the neck of thebell reaches the surface of the water, and entrance ismade to the bell through an air lock; a large divingbell of this nature was employed at the construction ofthe New…
Hydrostatics
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