On Wed, Mar 8, 2023 at 1:39 PM Chuck Guzis via cctalk <cctalk@classiccmp.org> wrote:
> On the subject of 1/2" open-reel tape, I note that the tapes initially > used with the IBM 726 drive (1952) used a cellulose acetate base. In > 1956, a switch was made to Mylar. That's unfortunate, since early > existing 726 tapes have almost certainly rotted away due to vinegar > syndrome. > I have what appears to be a stainless steel UNIVAC tape. It isn't crumbling away into dust anytime soon. Sellam