Advice on old-timer collection

[Frans]

(09-29-2017 04:09 PM)Jurgen Keller Wrote:  

(09-28-2017 02:28 PM)Frans Wrote:  I also found sites by other collectors, and imagine not all of them are following this forum.

You missed my site: http://calc.fjk.ch/ ;-) (and http://hp9100.info/, too)

Uhm, to clarify, that list of links isn't mine, my name is not Kees but Frans.