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    Cover image for The Robinson Telegraphic Cipher
    Hardback
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    The Robinson Telegraphic Cipher

    Steven Lynn Robinson

    This book is a guide to the Robinson telegraphic cipher, a code system used to transmit secret information over telegraph wires. The code is based on a set of numbered…

    $56.99

    Available to order, ships in 7-14 daysAvailable to order

    Cover image for The Robinson Telegraphic Cipher
    Paperback
    Add to list Added to list

    The Robinson Telegraphic Cipher

    Steven Lynn Robinson

    This book is a guide to the Robinson telegraphic cipher, a code system used to transmit secret information over telegraph wires. The code is based on a set of numbered…

    $56.99

    Available to order, ships in approx 2 weeksAvailable to order