- Room 40
operations evolved from a
captured German naval codebook, the
Signalbuch der
Kaiserlichen Marine (SKM), and maps (containing
coded squares) that...
-
similar to but not
really related to code 13040, and
naval code SKM (
Signalbuch der
Kaiserlichen Marine), which was
useless for
decoding the Zimmermann...
- p****ed only by wireless,
using cyphers to
disguise their content. The
Signalbuch der
Kaiserlichen Marine (SKM) was
captured from the
German light cruiser...
- Room 40
operations evolved around an
Imperial German Navy codebook, the
Signalbuch der
Kaiserlichen Marine (SKM), and
around maps (containing
coded squares)...
- Bürgermeister-Porträt" "Amtliche
liste der
schiffe der
deutschen kriegs und
handelsmarine mit
ihren unterscheidungssignalen, als
anhang zum
Internationalen signalbuch"...
- and they
managed the
update and
publishing of the
Signal Book (German:
Signalbuch) of the Navy.
Section IIf: This
section ran the
communications service...
- from 1
April 1914. Most three-digit
groups that
signal book were the war
Signalbuch key, a
replacement panel, via encrypted. Two
events were particularly...
