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From: Don Dapkus ddii Subj: Why a J valve is a J valve Simon, The story I was told by the old LA County Instructors Association (I'm #4104!) is that in the 195x US Divers catalog, the reserve valve was picture J in the catalog, while (whilst for our non-American friends) the non-reserve valve was picture K. It's stuck since then. Pretty amazing, isn't it? Cheers! Don Dapkus - Dallas, Texas -********** ORIGINAL MSG RECEIVED ON 09/21/95 AT 21:07 FOLLOWS **********- Marc Dufour wrote: >*HOWEVER* >I completely forgot to mention that the pony has a J-valve (I use what I can >find)... I don't think it would be a good idea to dive with the reserve up, >but, still, it could be a good way to know when my time is up (pun intended) >when I do my safety stop... Hi Marc, This may not be at all relevant but I recently had to retire a J valve on my old steel 72 because the shop servicing it refused to fill the tank with ...... As an aside I can't remember why they're called j valves, there more of a "t" shape. Simon "..fear creates it's own reality." - Simon L Hartley Kryton (programing time gauntlet): "...all that remains is for me to go back in time and sacrifice myself so we can get ourselves into the mess were in now... ...all in all todays been a bit of a bummer hasn't it sir!!" ----------------------------------------------------------------------- Simon L Hartley o o Oo o Associate Lecturer in Resource Technology oo o o Faculty of Resource Science and Management o oo _____ o oo Southern Cross University o (_/-\_) oo P.O. Box 157 ===(S) o Lismore NSW, Australia 2480 Ph: (066) 203 251 or (61 66) 203 251 Fax:(066) 212 669 E-mail: shartley@sc*.ed*.au* ----------------------------------------------------------------------- -- Send mail for the `techdiver' mailing list to `techdiver@terra.net'. Send subscription/archive requests to `techdiver-request@terra.net'.
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