Category:Telegraphy

:

• Telegraph engineers and inventors (17 P)

C

• Telegraph companies (3 C, 16 P)

H

• History of the telegraph (1 C, 17 P)

I

• Internet (27 C, 19 P)

M

• Morse code (28 P)

T

• Telegrams (17 P)
• Telegraphists (1 C, 41 P)

• Telegraphy

A

• Acme Commodity and Phrase Code
• Acoustic telegraphy
• Airline teletype system
• All Red Line
• Anglo-American cable chess matches
• Antonio López (shipwreck)
• Australian railway telegraphic codes
• Automatic curb sender

B

• Baltimore–Washington telegraph line
• Baudot code
• Beardslee Telegraph

C

• Cape York Telegraph Line
• Albert James Leppoc Cappel
• CCIR 476
• Chappe telegraph
• Perry Collins
• Commercial code (communications)
• Condenser telephone
• Convention for the Protection of Submarine Telegraph Cables
• Cooke and Wheatstone telegraph

D

• Juliette Dodu
• Dot matrix teletypewriter
• Duplexer

E

• Earth-return telegraph
• Electrical telegraph
• John H. Emerick
• Exchange Telegraph

F

• Cyrus W. Field
• Five-needle telegraph
• Foy–Breguet telegraph
• Frequency-change signaling
• Frequency-exchange signaling

G

• Gentex (standard)
• Great Western Railway telegraphic codes
• GWR telegraphic codes

H

• Heliograph
• Hellschreiber
• Hydraulic telegraph

I

• International Alphabet No. 5
• International Reference Alphabet
• International Telegraph Alphabet No. 1
• International Telegraph Alphabet No. 2
• International Telegraph Alphabet No. 3
• Internet

K

• Keyer
• Kleinschmidt keyboard perforator

L

• Law of squares
• List of Navtex stations

M

• Alexander James Mitchell

N

• NAVTEX
• Needle telegraph
• Neutral direct-current telegraph system

O

• O'Reilly v. Morse
• Oficina de Telégrafo y Teléfono
• Optical sound
• Order of Railroad Telegraphers
• Henry O'Reilly
• Othernet

P

• Pantelegraph
• John Pender
• Phillips Code
• Walter P. Phillips
• PK Porthcurno
• PKT printer
• Polarential telegraph system
• Printing telegraph
• Prussian semaphore system
• Punched tape
• Push-to-type operation

Q

• Quadruplex telegraph

R

• James D. Reid
• Relay league

S

• Schilling telegraph
• Optical telegraph
• Francis Ormand Jonathan Smith
• Spark-gap transmitter
• John James Speed
• Joseph Barker Stearns
• Syphon recorder

T

• Telautograph
• Telegram messenger
• Telegram style
• Telegraph code
• Telegraph hill
• Telegraph insulators
• Telegraph key
• Telegraph Plateau
• Telegraph pole
• Telegraph sounder
• Telegraph troops
• Telegraphic address
• Telegraphy in the United States
• Teleprinter
• Teletex
• Teletype Corporation
• Teletype Model 28
• Teletype Model 33
• Teletype writer 7 stylus 35 dot matrix
• Telex II
• Ten-code
• Ticker tape
• Transatlantic telegraph cable

U

• U.S. Military Telegraph Corps
• Underwater telegraph cable

V

• Vibratese
• Vidiprinter

W

• Wheatstone system
• Wireless telegraphy
• Wireless Telegraphy Act 2006
• Wireless Telegraphy Acts
• Martin B. Wood

Y

• John B. Yale