All US copper pipes, despite being depicted in fractional inches are actually hard metric, the 1/2" is 15 mm and the 3/4" is 22 mm. I'm not at home now, but if I remember, it's the outside dimension, the interior would be about 2 mm less. I can measure it precisely once I'm home. Not even close to the inch sizes.
Never seem to have time to read all this mail at home, have to do it when I travel on the airlines, which happens frequently. Michael Payne > [Original Message] > From: Joseph B. Reid <[EMAIL PROTECTED]> > To: U.S. Metric Association <[EMAIL PROTECTED]> > Date: 03/1/03 10:15:51 > Subject: [USMA:24337] Re: iVDR "inch" drives? > > Further to USMA 24335 in which Carleton MacDonald gave examples of > approximate translation of sizes between inches and millimetres, > French plumbing uses British plumbing standards (possibly the French > got the bathing habit from the British who learned it from India). > In France a 1/2" pipe is "un treize" (a thirteen) and a 3/4" pipe is > "un dix-neuf" (a nineteen). > > -- > Joseph B. Reid > 17 Glebe Road West > Toronto M5P 1C8 Telephone 416-486-6071 --- Michael Payne --- [EMAIL PROTECTED] --- EarthLink: The #1 provider of the Real Internet.
