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A.Appleyard writes:

Of the various liquids chosen as incompressible fillers, I hereby do NOT
recommend a choice that Cousteau and Picard made once! They dived in a
`bathyscaphe', which is a hollow steel ball with a float. The float needed to
be filled with something incompressible, so they chose petrol (= gasoline)!!!
SNIP>

They chose petrol because of its density.  (About 0.73 kg/m^3).
Cousteau wasn't involved, was he?  (This was covered in a very good documentary
called "Nautilus" which was on BBC2 TV recently).

Also, the French salvage team on the Titanic used Diesel to fill lifting bags.

Bill.Dyer@mi*.co*.uk*

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