Source : Free On-Line Dictionary of Computing

magnetostrictive delay line
     
         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].
     
        (2002-11-08)