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Author codes:- AA> A.Appleyard <a.appleyard@fs*.mt*.um*.ac*.uk*> CH> Carl G Heinzl <heinzl@wi*.en*.de*.co*> (Tue, 5 Jul 94 11:24:57 EDT) AMRB = "automatic mixture rebreather" CH> It has been estimated several times that the liability insurance alone will cost somewhere in the neighborhood of $5000 per unit. ... I wonder if we could avoid paying this if we had the units shipped and/or manufactured overseas? AA.2> Indeed could we? ... AA.3> E.g. the firms Pirelli and Cressi-sub in Italy made sport diving oxygen rebreathers at least until the late 1960's. One trouble with them was that sometimes their rubber breathing bags perished quickly. But I have seen very old Siebe Gorman (made in UK) rubber (e.g. old frogman type dry suits, breathing sets, wartime gas masks) which is still as good as new. AA.3> What does the `Cis' in `Cis-Lunar' mean? In Latin `cis-lunaris' means `on this side of the moon', as if the set includes spacesuit technology. But I have seen it written `CIS-Lunar' as if the `CIS' is a set of initials. AA.3> How much does the modern Cis-Lunar AMRB have outside its backpack box? It matters streamlining-wise in swimming. I saw a photo of an early Cis-Lunar set (not stated whether it was an AMRB) with two separate breathing tube loops round his neck, and twelve! high- or intermediate-pressure hoses coming over his shoulders, and a gas cylinder strapped to the outside of the backpack box.
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