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see http://www.ebay.com/itm/Hewlett-Packard-...1295759893

Looks like a used strip of Kapton to me (polyimide film). You should be able to get that in better shape for less.

d:-)

(10-03-2014 06:31 PM)gfernval Wrote: [ -> ]see http://www.ebay.com/itm/Hewlett-Packard-...1295759893

this is a piece of kapton foil used in the HP-41CX halfnut to isolate the main ROM installation and is called a "rip-off".

hans

(10-03-2014 07:15 PM)Hans Brueggemann Wrote: [ -> ]

(10-03-2014 06:31 PM)gfernval Wrote: [ -> ]see http://www.ebay.com/itm/Hewlett-Packard-...1295759893

this is a piece of kapton foil used in the HP-41CX halfnut to isolate the main ROM installation and is called a "rip-off".

hans

If I'm not wrong below a sample (thanks to Geoff) 2where the fullnut and halfnut boards are compared
Regards