Captain Beeky wrote: > On 18 Dec 2009, at 16:44, Neil Arlidge wrote: > >> Sounds almost as risky as getting a kink in your self pump-out >> hose :-) >> I have never in ten years had to take our macerator pump apart. I do >> have a >> bit of heavy duty coat hanger to hand, for inexperienced operators. >> This >> always does the trick. > > Mathematicians (used to) work it out with a pencil and paper. > We physicists used to work it out with a slide rule.
-- Martin Phillips [email protected]
