Addendum to my reply of Tue 12 Jul 1994 17:30:52 to <chris.mayer@an*.co*>'s message of Tue 12 Jul 94 11:14:59 EDT (Subject: Re: ultrasound):- >> ... diving in Greece is controlled by, of all things, their Antiquities Board ... That way the antiquities are indeed left alone; but ... > ... So you are arguing that archeological sites need not be protected. Within limits. They need to be protected. But security precautions can be carried too far, what some call `overkill'. (Like e.g. killing all Great White Sharks because a few are maneater.) How well do ancient wrecks survive round Italy where there are not all those Greece-style restrictions? >> ... cases of UK naval divers attacking sport divers who they found underwater while on operations in non-naval sea areas... And I don't thank the UK navy for keeping secret their nitrox technology and discoveries for so many years from 1945 until civilian divers eventually had to laboriously re-tread the same ground much later as if it was something new. <Then> the UK navy said that it knew about nitrox all the time. And in all that time I wonder how many patents for automatic mixture rebreathers were requisitioned by the UK Ministry of Defence and kept secret away from all the use that civilians could have made of them? (Compare the well-known `Lokata' small-boat navigation aid: the MOD tried to requisition <that> patent, but its inventor refused and went public and started a row about the matter.) >> In the 1970's I read of ... French diving police ... Sorry. It's partly that a general atmosphere of officials being able to come up and demand to see papers at once, and powers of arrest and seizure at sea on site and even underwater, and the like, irritate me and smell of turning the sea into a police state, which is one of the things that people go diving to get away from.
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