Phone scrambler of 1966

By at 4:45 am Tuesday, Nov 25

Someone's got to reproduce these 1966 "phone scramblers" in all their silky, chunky plasticky glory, leaving all but one tiny corner hollow, filling that tiny corner with a modern crypto device.

This scrambler keeps private phone conversations safe from wiretappers and eavesdroppers. Fitted to an ordinary handset, it needs no electrical connection, has its own power source. To hear, a person needs an unscrambler coded identically. Delcon Division, Hewlett-Packard Co., Palo Alto, Calif., sells it for $275, keeps your name and code locked in its vault
Wiretap-proof telephone (Jan, 1966)

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Cory Doctorow

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