LGP-30 Memory Drum Update

[Mark Linimon]

On Tue, Jan 03, 2017 at 04:19:01PM -0500, Paul Koning wrote:
> Making a new drum sounds like a great class project for an ambitious
> machine shop student.

Very ambitious.  IIRC for the G-15 there is/are (one? two?) timing track(s)
which were written at the factory.  Of course whatever that machine was,
has not survived.  I remember reading that if you lost that timing track,
your machine was toast.

mcl