Dimond ring
From Wikipedia, the free encyclopedia
A Dimond ring or Dimond ring translator was an early type of computer read-only memory, created in the early 1940s by T. L. Dimond at Bell Laboratories for Bell's #5 Crossbar Switch, a type of early telephone switch.[1][2][3]
Large-diameter magnetic ferrite toroidal rings with solenoid windings, through which are threaded writing and reading wires.
