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 the following 2 subcategories, out of 2 total.

B

Semaphore in Bremerhaven‎ (16 F)

C

Semaphore in Cuxhaven‎ (19 F)

Media in category "Mechanical semaphores"

The following 40 files are in this category, out of 40 total.

Andul.jpg 402 × 600; 252 KB
Bila train station crossing.jpg 982 × 652; 352 KB
Children aboard HMS Hood at Vancouver 1924.jpg 3,000 × 2,208; 369 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
Illustrirte Zeitung (1843) 17 270 2 Watson’s Telegraph vor dem Brande.PNG 497 × 600; 110 KB
Komancza stacja 5.jpg 4,000 × 6,000; 7.98 MB
Lascar Semaphore (4552620450).jpg 1,944 × 2,592; 2.45 MB
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
Railway line 137 in Prudnik 2020.06.14.jpg 3,292 × 2,058; 2.75 MB
Ship-building; various types of ship, and timbers of a hull. Wellcome V0024373.jpg 2,406 × 3,150; 2.75 MB
Signaling by Napoleonic semaphore line.jpg 1,075 × 912; 265 KB
Sinner Beschreibung des Telegraphen Tab I.jpg 1,527 × 1,903; 238 KB
Sinner Beschreibung des Telegraphen Tab II.jpg 1,536 × 1,934; 271 KB
The Battery, Portsmouth RMG BHC1918.tiff 3,800 × 1,892; 20.57 MB
Train station in Prudnik, 2019.03.31 (05).jpg 4,160 × 2,336; 2.13 MB
Train station in Prudnik, 2019.03.31 (09).jpg 4,160 × 2,336; 2.33 MB
Zarichne station semaphore switcher.jpg 975 × 627; 339 KB
Zarichne station semaphore.jpg 397 × 560; 69 KB
Zarichne station switch and semaphore.jpg 984 × 637; 221 KB

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