magnetostrictive delay line definition storage, history
An early storage device that used tensioned wires of nickel alloy carrying longitudinal waves produced and detected electromagnetically.
They had better storage behaviour than mercury delay lines.
[H. Epstein and O.B. Stram, "A High Performance Magnetostriction-Sonic Delay Line," Transactions, Institute of Radio Engineers, Professional Group on Ultrasonic Engineering, 1957, pp. 1-24].