On Sat, 11 Dec 2004 17:32:53 +0000 (UTC), Peter Irwin
wrote:


The 1951 figures are taken from a 1951 Leica Manual,
the current figures are from Kodak pdf files.

Peter.
---

2 different sources..

This gives a wide margin for error..



Colyn Goodson
http://home.swbell.net/colyng
http://www.colyngoodson.com