Actually, Tony, you COULD replace one of the spark plugs in your automobile with a check valve and use that cylinder as a compressor. That was a tip in one of the early (prewar?) DIY magazines here in the states. Might have been fine to fill up a tire after repairing a flat, but it sounds a lot like a potential bomb if you filled up a metal tank with the mixture of gasoline and air under pressure. Charles >I have checked these out and found not one but TWO copies, though through > another second hand book dealer. One is in South Africa and the other in > the > U.S. !!! The one in the U.S. is the equivalent of £36 however, with the > one > in S.A. not far behind, and so it looks like an Interlibrary Loan when > Susan > goes back to work in a week's time. Either that or a big tank of > compressed > air, curtesy of an electric tyre pump, which is where I came in I think. > > I only hope that other group members are enjoying the chase as much as I > am > however. It will be quite the anti climax when it is all up and running at > this rate! > > Tony. > > ----- Original Message ----- > From: "Tony Wells" <oaksfield@xxxxxxxxxxxxxxx> > To: <modeleng@xxxxxxxxxxxxx> > Sent: Sunday, September 11, 2005 8:12 PM > Subject: [modeleng] Re: Steam engine RPM? > > >>I have already tried Amazon, but not Wise Owl Publications, so they will >>be >> my next port of call. As to interlibrary loans, she has already got me >> the >> sole remaining copy of Harold Mason's book which I am currently reading. >> The >> only trouble is that they have to go back, and innevitably one need's to >> refer to them within a week of them doing so! On to Wise Owl ..... >> >> Tony. > > > MODEL ENGINEERING DISCUSSION LIST. > > To UNSUBSCRIBE from this list, send a blank email to, > modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject > line. MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.