On Wed, 2023-09-20 at 12:26 +0200, Christian Corti via cctalk wrote: > On Mon, 18 Sep 2023, Len Shustek wrote: > > Just a few weeks ago I donated to the Computer History Museum a set > > of 14 > > original IBM black binders of "Type 7xx" manuals from the 1950s, > > including > > the 727. That one is likely to be the same as what's on bitsavers, > > but since > > it's no longer in hand I can't check. They probably haven't made it > > through > > the CHM cataloging process yet. > > The background is, we will pick up a 727 drive next week. It appears > to be > in a quite decent shape. I would like to restore it as much as > possible, > so wiring diagrams, schematics, module utilization charts, in short, > everything that would help, is highly appreciated. The 729 is already > solid state, but the 727 with its tube modules is a real technical > beauty :-) > > It doesn't seem that there is any other such drive in existence, > apart > perhaps at the Museum of Transport and Technology in New Zealand, but > they > describe it as "Upright rectangular unit on four wheels" and things > like > "A.C. Motor inside unit is coloured metallic blue with red stickers" > *lol*
I wonder if Susan Vigor has 727s with her 7094? Probably not. > > Christian
