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Steve Lindblom wrote: > I'm not sure we are talking to same thing - the CGA 500 and 540 I'm > thinking of are entirely different. > The CGA500 nut is male rather than female like the 540, and also .028 > smaller. The nipples are different, too - nipples for M nuts have short > nipple cones with integral flats, where the nipples for F nuts have longer > nipples and a hex nut. > Looks don't mean much with CGA fittings - in the above instance, the > difference between M and F threads make it pretty easy to spot, but notice > the tiny difference in thread diameter too. Of course, you are correct. My apologies. The dimensions I quoted were female thread and inside port diameter, respectively. DOH ! On an unrelated note, I found something interesting (accidentally), and thought the list might be interested : Alex Rotta, MD writes : I am a physician in Buffalo, NY, USA who does research (basic, animal and human) with perflourocarbons. Our laboratory has invented and patented a technique known as Partial Liquid Ventilation (PLV). In brief, PLV is the use of oxygenated fluorocarbons as a means of maintaining oxygenation and ventilation of normal and injuried lungs. <I spoke with Dr. Rotta, and he mentioned diving applications, liquid being uncompressible, etc.> I am VERY interested in obtaining footage or pictures from the (great) tv series UFO. I remember vaguely an episode that showed scenes of aliens breathing liquid. Such scenes would be a fantastic addition to my collection (which include scenes from The Abyss and numerous footage from experiments performed in my laboratory and at Children's Hospital). I have been invited to be the keynote speaker at a critical care symposium in Brazil in November and I was hoping to create a multimedia lecture that would mix the "science fiction" of the 70's and the "science fiction" that we do today in the lab and clinical practice with liquid breathing. Alex Rotta, MD arotta@hs*.bu*.ed* Division of Critical Care Medicine The Children's Hospital of Buffalo Buffalo, NY, USA (716) 878 7442 (voice) -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send list subscription requests to `techdiver-request@aquanaut.com'.
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