Commons has media related to Prussian Optical Telegraph. The Prussian Semaphore System was a telegraphic communications system used between Berlin and the...

northernmost point the fortress of Ehrenbreitstein. List of forts Prussian semaphore system Böckling, Manfred (2011). Festung Ehrenbreitstein - Kurzführer...

form of optical communication). There are two main types of such systems; the semaphore telegraph which uses pivoted indicator arms and conveys information...

building. Branch offices were established in 1971 and 1981 with the Prussian semaphore system in Flittard (until 2005) and the Wehrturm Zündorf. The new director...

bearing the message. Thus flag semaphore is a method of telegraphy, whereas pigeon post is not. Ancient signalling systems, although sometimes quite extensive...

category 1 triangulation mark. The Köterberg was a station in the Prussian semaphore system, which acted as a communication link between Berlin and Koblenz...

tradition of attaching artillery pieces in support of troops. The semaphore system had allowed the French War-Minister, Carnot, to communicate with French...

Łacinka. It is also used in modern systems of Romanization of Belarusian for the letter ⟨ў⟩, for example in the BGN/PCGN system, in contrast to the letter ⟨ŭ⟩...

submarine line. India rubber had been tried by Moritz von Jacobi, the Prussian electrical engineer, as far back as the early 19th century. Another insulating...

seized power in Paris from 18 March to 28 May 1871. During the Franco-Prussian War of 1870–71, the French National Guard had defended Paris, and working-class...

communications between vehicles was accomplished using hand signals, handheld semaphore flags which continued in use in the Red Army/Soviet Army through the Second...

described by Émile Zola in his sixth letter published by the newspaper Le Sémaphore de Marseille on May 31: "After the Red Terror, a new and particular terror...

demonstrated his telephone to Wilhelm von Legat, Inspector of the Royal Prussian Telegraph Corps who produced an account of it (Legat, 1862), a translation...

Sultan Abdülmecid of Turkey (c.1847), a "golden snuff box containing the Prussian gold medal for scientific merit" from the King of Prussia (1851); the Great...

cryptology) 1793 – Claude Chappe establishes the first long-distance semaphore telegraph line 1795 – Thomas Jefferson invents the Jefferson disk cipher...

form of an ingenious optical telegraph Semaphore system invented by Claude Chappe.[citation needed] Chappe's system consisted of an intricate network of...

an accountant to make ends meet. To avoid being drafted in the Franco-Prussian War, Berliner migrated to the United States of America in 1870 with a friend...

demonstrating it to (among others) Wilhelm von Legat, Inspector of the Royal Prussian Telegraph Corps in 1862. It aroused more interest in the United States...

Ultraviolet radiation is discovered by Johann Wilhelm Ritter in 1801. Flag semaphore is gradually adopted by various navies of the world. Morphine is isolated...

which, at this time, were operated at the Strasbourg forts by the Royal Prussian Airship-Department under the direction of Capt. von Sigsfeld.) Braun also...

night vision and so could mask the low-intensity oil lamps used in the semaphore signals and at each end of trains, increasing the danger of missing signals...

Carroll & Graf. p. 752. ISBN 978-0786711475. French Army 1870-71 Franco-Prussian War (1) by Stephen Shann p.37 The Long Arm of Lee by Jennings Cropper Wise...

in 2000 to 7,200 in 2002. Between Buchholz and Soltau there are still semaphore signals and this section of the line is still equipped with mechanical...

compensate for breakages. The primary types of visual signalling were Semaphore flags, lamps and flags, lamps and lights, and the heliograph. In open...

(2018) Distant entry signal of Fridingen station as a semaphore signal (before Schanz tunnel) Semaphore entry signal at Fridingen station (2018) The types...

Guillemont–Longueval road, the objective being Ginchy Telegraph, site of an old semaphore station on the highest ground east of the village. The ground over which...

– French Revolution: The abolition of guilds is enacted. A mechanical semaphore line for rapid long-distance communication is demonstrated by Claude Chappe...

conventional systems. As part of its resignalling with the Punktförmige Zugbeeinflussung train protection system the remaining semaphore signals were...

the post office for letters and telegraphs (which were relayed to the semaphore on top of the Butte de Houlgate). A superb mahogany desk was donated to...

never been fundamentally modernised, its numerous engineering structures, semaphore signals and accompanying telegraph lines have been preserved. The Hessian...