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Instruments of Science & Technology / A RARE KRIEGSMARINE SIGNAL BOOK, GERMAN, 1940-1944,

Lot 14
GERMAN, 1940-1944,
28 September 2022, 14:00 BST
London, Knightsbridge

£15,000 - £20,000

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Signalbuch der Kriegsmarine, Berlin: Oberkommando der Kriegsmarine, 1940, Third Reich Naval High Command bound with Marineliste 1944 (Kriegsliste) zum Signalbuch, Aufgestellt im Juli, 1944. Folio (315 x 240 pp); 117 pp; containing hundreds of hand-coloured signals and flags in text, numerous annotations in red ink, manuscript and paper corrections throughout. Laminated tabs in first work; Some soiling to tabs of second work, commensurate with use. Original black leather over thick boards with metal studs and corners on both covers, spine titled Signalbuch 1940 (number obscured),
13in x 10in x 2 1/2in (33cm x 25.5cm x 6.5cm)


Used widely within the German Kriegsmarine and during WWII, these Codebooks were used aboard submersible boats to communicate with surface vessels and their shore bases. Common phrases can be substituted by a series of number or letter codes which were then transmitted via Morse Code. The Allies were eventually able to locate E-boats by triangulating their signals, aided by numerous captured codebooks of this kind that would have been studied and used at Bletchley Park.

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