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Re: Folding keys etc...
OK: here's one more try...
The first job is to reconstruct the 8 areas (translation lists) of the key:-
(a) Make a note of every set of 8 characters following each long gallows
character. These normally have a space in the middle (ie, "abcd efgh")
corresponding to the blank central area of the 3x3 key - but that's
probably not important to the cryptogtaphy.
(b) Build a table of all these sets of eight characters. Then, the columns
form the translation lists (against a presently unknown alphabet), one for
each of the 4 gallows (and their 4 c--c struck-through versions).
(c) Where long gallows are missing (from missing folio pages), make
educated guesses for their associated table entries based on the characters
that follow each normal gallows and haven't yet been seen.
The second job is to decrypt the text using this single key.
(d) Whenever you encounter a normal gallows character, subsequently use the
column of the translation table matching it.
(e) Translate all other symbols read using this table
The third job is to use frequency analysis and entropy statistics to guess
at the underlying alphabet (and then hopefully guess at the language, and
How close is this?
Cheers, .....Nick Pelling.....
PS: There's one other struck-through character which appears later in the
manuscript which you don't mention: it looks like "c-'-c", ie the strike
through c--c character but with an apostophe above it. Do you recognise
that as a 9th gallows character?
PPS: what does "c_c_c = cut, 8am\\ = splice then two (2) back" mean?