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Madas Model 1 Calculating Machine, 1913-1916...
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Swiss "Conto Model C" Calculating Machine, 19...
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Conto Model A Calculator, 1908...
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Thomas' "Arithmomètre", c. 1870...
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Hines Patent Calculator, 1905 onwards...
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"Archimedes Model C 16" Arithmometer, 1906...
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Calculating Machines ...
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3 Office Antiques Collectors Books by Thomas ...
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"Cryptograph Cypher Machine" by Sir Charles W...
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Rare American 6-Rotor Cryptographic Machine M...
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Transvertex HC-9 (KRYAPP 301) Cypher Machine,...
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Nema T-D Cipher Machine, c. 1948...
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Xerox Memorywriter Model 6040, 1988...
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Apple Macintosh M0001 Computer, 1984...
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Shugart 8-Inch Floppy Disc Drive in Presentat...
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MITS Altair 8800, 1975...
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Olivetti Audit 1513, 1959...
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Apple IIe Computer, 1983...
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Very Early Computer Components, 1948 onwards...
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Apple Power Mac G4 Computer, 1999...
