De fvrtivis literarvm notis, vulgo, De ziferis libri IIII (1563)
Porta, Giambattista della, approximately 1535-1615 · Neapoli : Apud Ioa. Mariam Scotum · leaf 215
cqui, perinde ac fi labirinthum ingreflus,fili dudum, quo regredi poflTct 3 vnde fadus ell aditus amiferit, ita vt quo alterius procedet , eo perplexioribus vijsimpli- ectur , vt dcfperare proprius fit 3 quam tot circumflexos ali- quo modo pofle nodos explicare . De fimplici orbiculari feripto…
Ciphers · Cryptography · Signs and symbols
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
