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Cipher machines in the Musée des Arts et Métiers
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Kohl cryptographer
Gravelle cryptographer
Subcategories
This category has the following 2 subcategories, out of 2 total.
A
Alexis Kohl's automatic cryptographer - CnAM 11459
(6 F)
G
Gravelle cryptograph - CnAM 14452
(7 F)