sábado, 30 de agosto de 2014

BRAUN ET90 4769 "protocol"



http://www.botterweg.com/Auction/Bid/tabid/59/lotid/4804/language/en-US/~/Braun/~/Braun/Lot-4804.aspx?tabid=59&lotid=4804&language=en-US




segunda-feira, 25 de agosto de 2014

HP-28S as New









sexta-feira, 15 de agosto de 2014

CASIO FX-9860G SLIM












Kirchhoff  laws - remembering the 70's at school...


http://www.hpmuseum.org/forum/thread-1938.html