Friden EC-130 calculator schematics?

OK, ask me to reverse-engineer a complex machine without giving it to me and see how far you get... Yes, I do enjoy figuring out how things work, but the real reason I produce such diagrams is to keep my own machines running. Of course I share them with othes, but I am not going to spend a lot of time figuring out how to keep _your_ machine running unless I get something in return. That something is normally an example of the machine in question. I do make exceptions occasionally. If the machine is sufficiently simple that I can figure it out completely in a couple of days, then I might do it anyway (I do not own all the HP handhelds covered by the HPCC schematics CD-ROM, I borroowed many of them from other members). But I could produce a schematic for one of those in an afternoon at most. I do own all the desktops covered by that disk, producing diagrams for one of those takes weeks. -tony