Category:Telegraphy

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Subcategories

This category has the following 26 subcategories, out of 26 total.

A

[+] Australian Overland Telegraph Line‎ (2 C, 10 F)

C

[+] Collins Overland telegraph‎ (1 C, 11 F)

D

[×] Damped wave transmitters‎ (29 F)

F

[+] Form damped oscillation‎ (1 C, 3 F)

H

[×] Hydraulic telegraph‎ (1 F)

M

[×] Magnetic detectors‎ (7 F)
[+] Maps of telegraph lines‎ (1 C, 15 F)
[+] Military telegraphy‎ (2 C, 37 F)
[+] Morse code‎ (9 C, 2 P, 61 F)

M cont.

[+] Samuel Finley Breese Morse‎ (4 C, 2 P, 78 F)
[×] Mouse mill motors‎ (6 F)

S

[+] Signal towers‎ (11 C, 1 P, 46 F)
[×] Telegraphy on stamps‎ (5 F)
[×] Syphon recorders‎ (2 F)

T

[+] Telegrams‎ (4 C, 72 F)
[+] Telegraph instruments‎ (5 C, 53 F)
[×] Telegraph Museum, Mexico City‎ (13 F)
[+] Telegraph offices‎ (3 C, 17 F)

T cont.

[+] Telegraph pioneers‎ (2 C, 7 F)
[+] Telegraph printers‎ (1 C, 11 F)
[×] Telegraph seals‎ (2 F)
[+] Telegraph stamps‎ (4 C, 4 F)
[×] Telex‎ (5 F)
[+] Ticker tape‎ (2 C, 11 F)

W

[+] Western Union Telegraph Company‎ (3 C, 50 F)
[×] Wireless telegraphy‎ (13 F)

Pages in category "Telegraphy"

This category contains only the following page.

Т

Телеграф

Media in category "Telegraphy"

The following 138 files are in this category, out of 138 total.

Retrieved from "http://commons.wikimedia.org/w/index.php?title=Category:Telegraphy&oldid=73422245"

History of telecommunications