De fvrtivis literarvm notis, vulgo, De ziferis libri IIII (1563)
Porta, Giambattista della, approximately 1535-1615 · Neapoli : Apud Ioa. Mariam Scotum · leaf 106
ri Rota ftatuemus areas , quot prater necefiarias fcripto notas adijeere velimus, vt fi odo futura? fint, cum noftrarum literarum bis decem charaderibus fpacia fint, erunt odo & viginti , tanto in fuperiori rota relido interuallo , in quo nihil fit, quantum inutilibus notarum fpacijs inferioris…
Ciphers · Cryptography · Signs and symbols
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
