On Sat, 27 Apr 2002 13:50:35 -0400, [EMAIL PROTECTED] (Joseph B. Reid) wrote:
>Chris wrote in USMA 19709: > >>On Sat, 27 Apr 2002 10:50:11 -0400, [EMAIL PROTECTED] (Joseph B. Reid) >>wrote: >> >>>French plumbing follows British plumbing pipe standards, However the names >>>have been changed to metric. A 1/2" pipe is "un treize" (a 13) and a 3/4" >>>is "un dix-neuf" (a 19). >> >>Except that UK pipes are now 15, 22 and 28 mm. >> >>Chris > > >Would 15, 22, and 28 mm be true outside diameters? I believe that 1/2" and >3/4" were approximations to inside diameters. Correct, Joe. Chris -- UK Metric Association: http://www.metric.org.uk/
