Pat Naughtin wrote: >My guess is that the units are tenths of millimetres >(decimillimetres ?)
There is no such thing as a 'decimillimetre'. You cannot combine prefixes. You would need to say 0.1 millimetre or 100 micrometre. >a shoe could reasonably be 280 millimetres long. Yes it could be if it were one of the larger in the range. Immediately available anthropometric data reports 5th percentile Sri Lanka female feet as 210 mm and 95th percentile Swedish feet as 290 mm. USA and UK feet come within that range. A French study put 5th percentile female shoe length at 186 mm and 95th percentile shoe length at 302 mm. -- Terry Simpson Human Factors Consultant [EMAIL PROTECTED] www.connected-systems.com Phone: +44 7850 511794