Bill Potts wrote in USMA 19613: >Good letter, by the way. I agree with you that, given that A0 paper has an >area of exactly 1 m^2, A series can justifiably be called hard metric, even >though the standards (A, B and C series) are not, themselves, SI.
I disagree. The B and C series are as metric as the A series. Joseph B.Reid 17 Glebe Road West Toronto M5P 1C8 Tel. 416 486-6071
