9 May
2015
9 May
'15
8:44 a.m.
On May 8, 2015, at 11:51 PM, Billy Pettit <bpettitx
at comcast.net> wrote:
...
These were great tape drives. The 604 was 75ips versus 150ips for the 607. ...
These would be a good choice for recovering old 7 track tapes. They used vacuum
tensioning columns and vacuum capstans. So very little contact with the magnetic slurry
side of the tape.
Vacuum columns done correctly ? not like the IBM error of putting the tape down the column
with the magnetic surface facing outward. I remember that from our college 360 model 44.
paul