crwdns2934241:0crwdne2934241:0 markus weiher

crwdns2934249:0crwdne2934249:0:

did you look at www.hp41.org and www.hpmuseum.org ?

there are some informations about this device - including repair stuff

crwdns2915684:0crwdne2915684:0:

open