resending with corrections! it appears the pen kit for our plotter got LIFTED (aka stolen, ripped off... etc... bummer..) before we had it glassed in living the glassed in display a areas if anyone has a calcomp box with the solenoid and pens that is extra to their needs please let us know In a message dated 12/22/2015 9:31:22 P.M. US Mountain Standard Time, COURYHOUSE at aol.com writes: I had the large ibm calcomp plotter if big wide one we have the same ... it is in the hp display case at smecc museum there was a fortran graphics text book we had adn I had gotten with a HP 3000 and it had a interface board ( parallel interface?? too many years) I made it plot squares etc .. as I remember the hp intrinsics may have had some support for this.. once I did that i put it aside and went back to playing with the HP multi-pen HP plotters we sold back them at Computer Exchange Inc. In a message dated 12/22/2015 3:22:01 P.M. US Mountain Standard Time, steven at malikoff.com writes: ---------------------------- Original Message ---------------------------- Subject: XY11 Manual, Anyone? From: "Mattis Lind" <mattislind at gmail.com> Date: Wed, December 23, 2015 2:53 am To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> -------------------------------------------------------------------------- manual? details draw The book 'The Minicomputer in the Laboratory' by James W Cooper covers using an X-Y plotter with an 11/05, and has assembly listings and a whole bunch of related stuff about scientific plotting. Also a lot of info on using the LPS-11 too. There are plenty of copies out there and quite cheap too. It's an excellent book and could be of use to you. Steve.