Cipher Data Products
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Cipher Data Products, Inc., was an American computer company based in San Diego, California, and active from 1968 to 1992. The company was once a leading manufacturer of magnetic-tape data drives and
A Cipher 9-track tape drive (bottom right) in a rack with a PDP-11/03 (top right)
Site of Cipher Data Products' manufacturing plant in Garden Grove, California, now owned by Saint-Gobain, pictured in 2021
Irwin Magnetic Systems
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Irwin Magnetic Systems, Inc., also known as Irwin Magnetics, was a computer storage manufacturer active from 1979 to 1989 and based in Ann Arbor, Michigan. It was founded by Samuel Irwin in 1979 as Ir
Cipher Data Products
…San Diego plant soon followed, with 220 workers laid off in November 1988, the bulk of whom worked in PCB manufacturing. In March 1989, Cipher acquired Irwin Magnetic Systems of Ann Arbor, Michigan, for $77 million. Like Cipher, Irwin were makers of the magnetic tape data storage systems—most popularly the AccuTrak line of…
AccuTrak 40 MB tape cartdrige