John Schweisthal wrote: > 3.) Funny thing you mention tape. I haven't bought tapes in years. I buy > all my music on CD's and CD's are SI. Their diameter is 120 mm. That is > the standard. There is also a smaller version that is 80 mm. And, of course, one could add that the tape used in amateur digital video cameras is 8 mm. Bill Potts, CMS Roseville, CA http://metric1.org [SI Navigator]
