The secret and swift
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by Iohn Wilkins

C H A P . I .
The dependance of this knowledge in na-
    ture. The Authors that have treated
    of it. Its relation to the art of Gram-

C H A P . I I .
    The conditions requisite to Secrecy,
The use of it in the Matter of speech,

By {
Fables of the Heathen.

Parables of Scripture.

C H A P . I I I .
Concerning the secrecie of speech which
    consists in the
words, Either
By inventing new ones,
    as in
{ Canting.

Or by a changing
    of the knowne
    language, whither
{ Inversion.

C H A P . I V .
Concerning the secret conveyances of any
    written message in use amongst the

Either by {
the open Ayre.

C H A P . 5 .
Of that secrecy which consists in the ma-
    terials of writing, whether the Paper
    or Inke.

C H A P . V I .
Secret writing with the common letters,
    by changing of their places.

C H A P . V I I .
Concerning secret writing with equall let-
    ters, by changing their
Powers. The
    use of this amongst the
Jewes and
Romanes. The Key-character.

C H A P . V I I I .
Of secret writing by more letters then
    are requisite to the intended mea-

C H A P . I X .
Of concealing any written sence under
    barbarous words, and such as shall not
    seeme to be of any signification. How
    all the letters may be expressed by any
    five, three, or two of them. Of writing
    with a double Alphabet. How from
    these two last wayes together, there
    may be contrived the best kind of se-
    cret writings.

C H A P . I 0 .
Of writing any secret sense, by fewer let-
    ters then are required to the words of it.
    The use of this amongst the Jews and

C H A P . I I .
    Of writing by invented Characters.
    The distinction of these in-
    to such as signifie either
{ letters.
The generall rules of unfolding and obscu-
    ring any letter-characters. How to ex-
    presse any sense, either by points, or lines,
    or figures.

C H A P . I 2 .
Of characters that expresse words. The
    first invention of these. Of those that
    signifie things and notions, as Hierogly
    phics, Emblemes.

C H A P . I 3 .
Concerning an universall Character, that
    may be legible to all nations and langua-
    ges. The benefit, and possibility of this.

C H A P . I 4 .
Concerning the third way of secret discour-
    sing, by signes and gestures, which may
    signifie either
ex { conguo.

C H A P . I 5 .
Concerning the swiftnesse of informati-
    ons, either by
qualities, as the impressi-
    on of imagination, and the sensitive spe-
    cies; or by spirituall
substances, as

C H A P . I 6 .
Concerning the swiftnesse of conveyance by
bodies, whether inanimate, as Arrows,
    Bullets, or
animate, as Men, Beasts,

C H A P . I 7 .
Of secret and swift informations by
    the species of sound.

C H A P . I 8 .
Concerning a language, that may consist only
    of Tunes and Musicall Notes, without
    any articulate sound.

C H A P . I 9 .
Of those common relations, that concern se-
    cret and swift informations by the species
    of sight, which are either Fabulous, or

C H A P . 2 0 .
Of informations by significatory fires and
    smokes. Their antiquity. The ture man-
    ner of using them to this purpose. That
    these were meant in Nuntius inani-matus.