John: 35 mm was also developed for movies (before 16 mm and 8 mm, I think). I think its use for still photography came later (mid 1930s or so). Incidentally, there was also a 9.5 mm format, with sprocket holes down the center, between the frames. Bill Potts, CMS Roseville, CA http://metric1.org [SI Navigator] > -----Original Message----- > From: kilopascal [mailto:[EMAIL PROTECTED]] > Sent: June 16, 2001 11:38 > To: [EMAIL PROTECTED]; U.S. Metric Association > Subject: Re: [USMA:13816] Re: Fw: Questions about measurement standards > > > 2001-06-16 > > Of course, they did not mention this one. And, I forgot about it > too, as I > don't have an 8 mm video camera. > > And also, what about the USA development of photographic film what was > standardised in 8 mm and 16 mm for home movies and 35 mm > photographic film? > > It seems the metric standards don't become obsolete as fast as inch based? > > > > > John > > Keiner ist hoffnungsloser versklavt als derjenige, der irrt�mlich glaubt > frei zu sein. > > There are none more hopelessly enslaved then those who falsely > believe they > are free! > > Johann Wolfgang von Goethe (1749-1832) > > > > ----- Original Message ----- > From: "Bill Potts" <[EMAIL PROTECTED]> > To: "U.S. Metric Association" <[EMAIL PROTECTED]> > Sent: Saturday, 2001-06-16 14:25 > Subject: [USMA:13816] Re: Fw: Questions about measurement standards > > > > 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] > > > >
