magnetostrictive delay line
<storage, history> An early storage device that used tensioned wires of
nickel alloy carrying longitudinal waves produced and detected
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].
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