Restoring IBM (was: Age)

[Eric Smith]

I wrote:
> The Computer History Museum in Mountain View CA USA has a 360/30.  I hope
> we can restore it someday.

William wrote:
> IBM. Tough stuff.

Henk wrote:
> Why is restoring IBM stuff so tough ?

Suppose we try to restore the 360/30, and one of the hybrid SLT
modules is bad.  Where do you suppose we'll find a replacement?  Most
likely we would have to try to fabricate one, assuming that we could
find or reverse-engineer a schematic for the particular module.

By comparison, restoring a machine like a PDP-1 is a piece of cake,
because all of the components are readily visible.

Eric