ON

SECRET

CHARACTERS

IN LETTERS

OR

THE ART OF COMMUNICATING THE THOUGHTS OF THE MIND

secretly to others, or of fishing out and unknotting

those things communicated by others,

FOUR BOOKS.

BY GIAMBATTISTA DELLA PORTA,

AN AUTHOR OF NAPLES.

FURTHERMORE, THERE ARE EXPLAINED, AMONG

other things, passages from ancient writers speaking on

this art, and derived from the same source.

A woodcut emblem depicting a profile bust of a woman, likely Minerva, wearing a highly ornate plumed helmet and classical armor. The bust rests on a cubic pedestal set upon a small grassy patch. Flanking the image are the vertical Latin words "KNOWLEDGE" original: "SCIENTIA" on the left and "UNCHANGING" original: "IMMVTABILIS" on the right.

On Secret Marks of Letters

ON

SECRET

CHARACTERS

IN LETTERS

OR

THE ART OF COMMUNICATING THE THOUGHTS OF THE MIND

FOUR BOOKS.

BY GIAMBATTISTA DELLA PORTA,

AN AUTHOR OF NAPLES.

FURTHERMORE, THERE ARE EXPLAINED, AMONG

AT MONTBÉLIARD. A city in eastern France, known in Latin as Montisbeligardum.

By Jacob Foillet, at the expense of Lazarus

Zetzner.

1593.