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Category:Mechanical semaphores

English: Mechanical devices for communicating messages by a physical movement. Some use the same moving flags as manual semaphore, others use an alternative arrangement, often a shutter showing either black or white. For the railway signals with a moving arm, see Semaphore signals

Subcategories

This category has only the following subcategory.

S

► Semaphore in Bremerhaven‎ (11 F)

Media in category "Mechanical semaphores"

The following 29 files are in this category, out of 29 total.

Andul.jpg 402 × 600; 252 KB
Belaya train station crossing.jpg 1,000 × 687; 339 KB
Disc signalling shutter, canvas (Signalling, 1918).jpg 741 × 1,027; 75 KB
Disc signalling shutter, wooden (Signalling, 1918).jpg 934 × 763; 79 KB
Hradlo Praha Zelezny most, mechanicke navestidlo So, 1.jpg 2,048 × 1,536; 784 KB
Murray Shutter Telegraph 1795.png 670 × 554; 42 KB
Onda Semaphore Tower.jpg 600 × 896; 512 KB
Optisk telegraf Klaffetelegraf (1810) (8662661121).jpg 1,706 × 3,437; 7.48 MB
Orillia Canadian National Railway Station and semaphore other view.JPG 3,648 × 2,736; 3.55 MB
Orillia Canadian National Railway Station and semaphore.JPG 3,648 × 2,736; 3.63 MB
Prudnik, Poland - panoramio (66).jpg 4,608 × 3,456; 6.51 MB
Prudnik, Poland - panoramio (67).jpg 4,608 × 3,456; 6.15 MB
Prudnik, Poland - panoramio (68).jpg 4,608 × 3,456; 6.24 MB
Prudnik, Poland - panoramio (69).jpg 4,608 × 3,456; 6.59 MB
Prudnik, Poland - panoramio (70).jpg 4,608 × 3,456; 6.38 MB
Prudnik, Poland - panoramio (71).jpg 4,608 × 3,456; 6.02 MB
Prudnik, Poland - panoramio (72).jpg 4,608 × 3,456; 5.84 MB
Prudnik, Poland - panoramio (73).jpg 4,608 × 3,456; 5.79 MB
Prudnik, Poland - panoramio (74).jpg 4,608 × 3,456; 5.97 MB
Prudnik, Poland - panoramio (84).jpg 4,608 × 3,456; 6.16 MB
Prudnik, Poland - panoramio (86).jpg 2,528 × 1,008; 1.15 MB
Prudnik, Poland - panoramio (87).jpg 2,624 × 1,040; 1.25 MB
Prudnik, Poland - panoramio (88).jpg 4,608 × 3,456; 6.27 MB
Prudnik, Poland - panoramio (89).jpg 3,456 × 4,608; 1,018 KB
PSM V44 D814 A military post with semaphore 1794.jpg 1,402 × 1,917; 667 KB
Signaling by Napoleonic semaphore line.jpg 1,075 × 912; 265 KB
Zarichne station semaphore switcher.jpg 1,000 × 667; 338 KB
Zarichne station semaphore.jpg 1,000 × 667; 117 KB
Zarichne station switch and semaphore.jpg 1,000 × 672; 216 KB

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