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Prussian Telegraph Receiver, c. 1875...
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Complete German Morse Telegraph System, c. 19...
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L.M. Ericsson Skeleton Telephone, c. 1900...
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IMSAI 8080, 1975...
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"MAC – Mechanical Analogue Computer" for Flig...
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NeXT Cube, 1988...
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Apple III, 1980...
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Apple Lisa 2/5, 1984...
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"SOL-20" by Processor Technology, 1976...
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MITS Altair 8800, 1974...
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"Enigma M4" Cypher Machine, c. 1942...
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Cryptographic Equipment ...
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Ciphering Machine Enigma K-Model with Additio...
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Czech Transceiver by Tesla, c. 1950...
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Telephone Cyphering Device, c. 1980...
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Transvertex HC-9 Cypher Machine, c. 1955...
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"Cryptograph" Cypher Machine by Sir Charles W...
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"Hagelin B-21" Cyper Machine, 1927 onwards...
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The Adding Machine of Pierre Fardoil, c. 1700...
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Arithmomètre de Thomas de Colmar (Boulle), c....
