On Tue, May 24, 2016 at 12:25 PM, Paul Koning <paulkon...@comcast.net> wrote: >> On May 24, 2016, at 2:07 PM, Chuck Guzis <ccl...@sydex.com> wrote: >> ...and the "transformer" ROS used on the 360/40 (and others). > You mean "Core rope memory"?
IBM's TROS and Core Rope Memory use the same principle, but the physical construction is significantly different. Core rope memory was very labor-intensive to manufacture, while TROS was not.