De fvrtivis literarvm notis, vulgo, De ziferis libri IIII (1563)
Porta, Giambattista della, approximately 1535-1615 · Neapoli : Apud Ioa. Mariam Scotum · leaf 109
fi idem verbum repetendum fit,diuei fis charaCteribus exprimatur, eaque ra- tione multo iaboriolius , quam in fimplici feribendi modo fiebat , oeioforum characterum cognitionem quisq, aucupe- tur. His de caufis difficilius in hac ocioforu charaCteru poli- tione interpreti feriptu efficietur .… … L
Ciphers · Cryptography · Signs and symbols
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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