Thanks Michel for answering your own question. This is really interesting.
Derek > Michel Carrère-Gée a écrit : > > > There are two or three years, a member of PDML published two documents > > which I preserved: > > "Pentax 35mm lens timeline" > > http://perso.wanadoo.fr/krg/temp/PentaxLensTimeLine.pdf > > > and > > "Pentax SLR timeline" > > http://perso.wanadoo.fr/krg/temp/PentaxSlrTimeLine.pdf > > > I don't find the author nor the address Web; who remembers ? > > Michel > > >