Category:Prussian optical Telegraph Codebook 5.2
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Media in category "Prussian optical Telegraph Codebook 5.2"
The following 3 files are in this category, out of 3 total.
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Codebook-prussian-telegraph 5.2 Page 1.png 1,280 × 1,699; 275 KB
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Codebook-prussian-telegraph 5.2 Page 2.png 900 × 1,253; 133 KB
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Codebook-prussian-telegraph 5.2 Page 32.png 538 × 812; 125 KB