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Military US BC-191-N Transmitter, c. 1944...
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Hagelin C-446-A Cipher Machine, 1944...
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USSR "Fialka M-125-3MP2" Cipher Machine, 1965...
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Hagelin C-446A "MX-3003" Cipher Machine, c. 1...
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Nema T-D Cipher Machine, 1946...
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Hagelin Crypto CD-57 RT Cipher Machine, 1957...
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Rare American 6-Rotor Cryptographic Machine ...
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"Thomas' Arithmomètre", c. 1870...
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"Adix", 1903...
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Gordon's Addometer, c. 1875...
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2 Pocket Watch Calculators...
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"The Brical – Money Calculating Machine", c. ...
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"Casio CMD-40", c. 1994...
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Unusual Cutaway Model of a Calculator Mechani...
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Gem Adding Machine ("The Aristocrat of Adding...
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2 Pocket Adding Machines...
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Walther ETR-1, 1969...
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Olympia CD-400 Desktop Calculator, 1970...
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Professor Fuller's Slide Rule Calculator, c. ...
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Thales Model A Calculating Machine, c. 1915...
