bn:01730185n
Noun Concept
Categories: 1849 disestablishments in Germany, Communications in Germany, Telegraphy, 1832 establishments in Germany, History of telecommunications in Germany
EN
Prussian semaphore system  Prussian semaphore system #3
EN
The Prussian Semaphore System was a telegraphic communications system used between Berlin and the Rhine Province from 1832 to 1849. Wikipedia
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EN
The Prussian Semaphore System was a telegraphic communications system used between Berlin and the Rhine Province from 1832 to 1849. Wikipedia
CONTINENT
DIRECTOR / MANAGER
LOCATED IN THE ADMINISTRATIVE TERRITORIAL ENTITY