At 06:56 PM 2007-05-02, you wrote:
>From: Patent Tactics, George Brock-Nannestad
>Richard Hess asked and Robert Hodge answered
> > A person contacted me today with an approximately 5x8 inch magnetic
> > sheet with the IBM logo on it and two holes punched in that edge. It
> > appears to be magnetic material. We have no idea if it's audio (I
> > haven't seen it before) and I'm suspicious that it MIGHT be a word
> > processing format. It dates from the late 1960s and was apparently
> > part of some U.S. Navy documentation.
> > A photo of it is posted at: http://www.donmarquis.org/ibm.pdf
> > There are ten of these sheets in the collection.
>----- with the flimsyness apparent from the impression made by the paper clip
>I would agree with Robert that it is an audio format: it started as a sheet,
>was then spliced into a tube, and someone has slit it again for storage. I do
>not know which is the lesser evil: two sharp folds or two edges you have to
>align and fix with splicing tape. I think it would come down to binder
>resistance to peeling, so the slitting way is probably the safest after all.
>If it had been stiffer, I would have opted for word processing. I was on a
>course in 1973 where we were taught an IBM system where a magnetic card the
>dimensions of a standard punched card was the storage. One line on the card
>corresponded to one normal line of typing, but there was a command - TRACK
>LINK that allowed you to use more lines for one line of text. I do not have
>the system name present.
>Likewise the NCR CRAM card, which was a computer storage system from the late
>1960s, was a stiffer magnetic card, which was about 3"x12".
Richard L. Hess email: [log in to unmask]
Aurora, Ontario, Canada (905) 713 6733 1-877-TAPE-FIX
Detailed contact information: http://www.richardhess.com/tape/contact.htm
Quality tape transfers -- even from hard-to-play tapes.