Category:Wireless telegraphy

**wireless telegraphy**
	method of communication
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Subcategories

This category has the following 6 subcategories, out of 6 total.

Media in category "Wireless telegraphy"

The following 101 files are in this category, out of 101 total.

1913 Marconi operator room for 5 kilowatt ocean liner station-colorized.jpg 677 × 495; 74 KB
The A B C of wireless telegraphy; a plain treatise on Hertzian wave signaling; embracing theory, methods of operation, and how to build various pieces of the apparatus employed (IA abcofwirelesstel00trevrich).pdf 693 × 1,008, 160 pages; 18.44 MB
AFDCM-02-016.jpg 973 × 760; 116 KB
AFDCM-02-017.jpg 973 × 760; 117 KB
Airwaves.jpg 527 × 526; 204 KB
Bijschrift On Sparks many lives may depend. Wireless operator on converted D, Bestanddeelnr 935-2843.jpg 2,541 × 2,641; 477 KB
Coherer Rcvr.jpg 865 × 664; 46 KB
Die Gartenlaube (1899) b 0764 1.jpg 1,087 × 1,626; 127 KB
Die Gartenlaube (1899) b 0764 2.jpg 1,394 × 1,597; 188 KB
Die Gartenlaube (1899) b 0764 3.jpg 1,654 × 1,388; 173 KB
EB1911 Telegraph - Alternate Current Transformer System.jpg 766 × 393; 58 KB
EB1911 Telegraph - antenna direct-coupled to closed oscillatory circuit.jpg 836 × 297; 33 KB
EB1911 Telegraph - bolometer receiver.jpg 512 × 442; 30 KB
EB1911 Telegraph - electric wave detector using electrolytic cell.jpg 402 × 430; 24 KB
EB1911 Telegraph - Magneto-Induction Method.jpg 373 × 382; 29 KB
EB1911 Telegraph - Marconi transmitter and receiver (2).jpg 855 × 508; 60 KB
EB1911 Telegraph - Marconi transmitter and receiver.jpg 843 × 414; 56 KB
EB1911 Telegraph - Marconi transmitter-receiver apparatus.jpg 298 × 495; 21 KB
EB1911 Telegraph - Morse's Conduction Method.jpg 352 × 293; 15 KB
EB1911 Telegraph - two coupled oscillation circuits.jpg 820 × 555; 68 KB
EB1911 Telegraph - umbrella antenna.jpg 806 × 493; 51 KB
EB1911 Telegraph - Vacuum Thermal Detector for Electric Oscillations.jpg 172 × 358; 12 KB
EB1911 Telegraph - wireless receiver using oscillation valve.jpg 846 × 690; 56 KB
EB1911 Telegraph - wireless transmitter antenna designs.jpg 815 × 384; 51 KB
Fotothek df n-19 0000253 Funkzirkel, Gesellschaft für Sport und Technik (GST).jpg 798 × 800; 214 KB
German WW I field telegraph 001.jpg 1,443 × 2,203; 1.17 MB
German WW I field telegraph 002.jpg 2,204 × 1,425; 928 KB
Guglielmo Marconi 1901 wireless signal-300x189.jpg 300 × 189; 19 KB
Guglielmo Marconi 1901 wireless signal.jpg 3,000 × 1,849; 1.06 MB
HEATHKIT HW8 3.JPG 640 × 480; 135 KB
Hertz schematic0.PNG 425 × 275; 5 KB
Hertz Transmitter Receiver.svg 990 × 765; 35 KB
IEEE Plaque by east stairway CoGH jeh.jpg 4,608 × 3,072; 2.84 MB
IEEE wireless plaque CoGH jeh.jpg 2,794 × 1,863; 1.25 MB
Key West Wireless Station Postcard.jpg 995 × 1,600; 328 KB
LOWE 225 CW 7030kHz.jpg 3,146 × 1,340; 885 KB
Marconi 1897 spark gap transmitter.jpg 429 × 286; 27 KB
Marconi operator aboard ship 'Deutschland', at his instruments LCCN2014683102-edited.jpg 948 × 677; 268 KB
Marconist op een omgebouwd luxe passagiersschip, Bestanddeelnr 935-2844.jpg 2,525 × 2,641; 470 KB
Marconist van een Nederlands koopvaardijschip geeft een bericht aan een Indones, Bestanddeelnr 935-2945-colorized.jpg 1,024 × 686; 134 KB
Marconist van een Nederlands koopvaardijschip geeft een bericht aan een Indones, Bestanddeelnr 935-2945.jpg 3,679 × 2,464; 1,008 KB
Marconist van Nederlands koopvaardijschip met Indonesische bode, Bestanddeelnr 935-2885.jpg 3,279 × 2,272; 1.11 MB
Marshall D. Moran (1906-1992).jpg 585 × 769; 57 KB
Morse Code Receiver.jpg 448 × 358; 68 KB
Morseapparat-2.JPG 1,350 × 970; 142 KB
Net of Longitude.jpg 1,682 × 1,161; 535 KB
NSRW Telegraphy, Wireless - coherer.png 697 × 205; 26 KB
NSRW Telegraphy, Wireless - receiver.png 703 × 891; 92 KB
NSRW Telegraphy, Wireless - transmitter.jpg 702 × 1,084; 81 KB
NSRW Wireless telegraph station showing vertical wires.jpg 665 × 647; 70 KB
NW7US at the Morse-code Key.jpg 2,024 × 1,692; 521 KB
Perforator.png 1,203 × 620; 977 KB
Plymouth wirless telegraph.png 2,452 × 2,592; 539 KB
PSM V56 D0068 Wireless telegraphy experimental components.png 1,646 × 1,155; 140 KB
PSM V56 D0069 Diagram of arrangement at the receiving station.png 1,222 × 1,142; 79 KB
PSM V56 D0070 Diagram of the receiver circuit.png 824 × 1,210; 16 KB
PSM V56 D0071 Photo of electrical lines emanating from the sending station.png 1,638 × 1,066; 379 KB
PSM V56 D0072 Magnetic whirls around the sending wire.png 1,636 × 1,297; 536 KB
PSM V56 D0073 Magnetic whirls around the receiving wire.png 1,549 × 1,230; 281 KB
PSM V56 D0074 Coherer employed to receive the electrical waves.png 1,270 × 136; 14 KB
PSM V56 D0075 Battery arrangement for coherer and sounder.png 1,577 × 957; 125 KB
PSM V56 D0076 Photo of electric pulses.png 1,363 × 676; 37 KB
PSM V56 D0077 Photo of a pilot spark.png 1,284 × 798; 36 KB
Quenched spark transmitter - Nauen Radio Station, Nauen Germany 1921.jpg 823 × 607; 129 KB
Radiotélégraphiste de train.JPG 1,225 × 1,042; 493 KB
Recepteur telegraphique tube limaille.jpg 1,280 × 587; 147 KB
RMS Olympic Radio 1913 colorized.jpg 1,280 × 960; 216 KB
RMS Olympic Radio 1913.jpg 1,872 × 1,445; 1.76 MB
RX 1914 tranchée.JPG 612 × 787; 151 KB
Sayville Wireless Receiving German War Report.png 851 × 1,193; 719 KB
Sayville wireless station.png 586 × 791; 506 KB
Scientific American Volume 86 Number 14 (April 1902) (1902) (14587305260).jpg 1,640 × 518; 313 KB
Scientific American Volume 86 Number 14 (April 1902) (1902) (14587315800).jpg 1,224 × 1,346; 481 KB
Scientific American Volume 86 Number 14 (April 1902) (1902) (14770847641).jpg 1,386 × 670; 172 KB
Scientific American Volume 86 Number 14 (April 1902) (1902) (14771662444).jpg 2,862 × 946; 502 KB
Scientific American Volume 86 Number 14 (April 1902) (1902) (14771663234).jpg 924 × 1,312; 430 KB
Scientific American Volume 86 Number 14 (April 1902) (1902) (14773672102).jpg 1,198 × 1,660; 332 KB
Scientific American Volume 86 Number 14 (April 1902) (1902) (14774017015).jpg 1,404 × 1,020; 290 KB
Scientific American Volume 86 Number 14 (April 1902) (1902) (14793887863).jpg 1,190 × 1,408; 665 KB
SCR188.jpg 2,106 × 1,696; 823 KB
Spark gap transmitter diagram.png 967 × 955; 51 KB
Spark gap transmitter.jpg 3,312 × 3,890; 4.14 MB
SPARK Museum of Electrical Invention - interior 27 - spark transmitter - Radiguet & Massiot, France, c. 1900.jpg 4,288 × 2,848; 5.43 MB
Spark-gap apparatus.png 1,097 × 1,109; 1.16 MB
StateLibQld 2 198235 Twelve year old Madeleine Pugh operating a radio in her home at Wynnum, Brisbane, 1934.jpg 1,000 × 760; 83 KB
Station 160m om.JPG 1,327 × 2,211; 1.18 MB
The Wireless Age cover.png 626 × 878; 491 KB
Thesos.jpg 340 × 429; 29 KB
Titanic Marconi Wireless Radio Room.jpg 1,280 × 956; 438 KB
Tracciato Marconigramma.jpg 2,880 × 4,320; 6.12 MB
Trascrizione Marconigramma.jpg 4,320 × 2,880; 6.12 MB
Trasmissione del primo marconigramma.jpg 792 × 560; 136 KB
TSF paquebot Asie (Compagnie des Chargeurs Réunis) 1919.jpg 950 × 1,248; 1,021 KB
TT CMZ-AF-GT E 2-1 9 45 - Instalação da T.S.F..jpg 509 × 700; 65 KB
TT CMZ-AF-GT E 2-1 9 46 - Interior da cabine de T.S.F..jpg 906 × 700; 120 KB
Undulator Tape.jpg 4,416 × 501; 890 KB
Wire antenna - Nauen radiotelegraphy station in 1913.png 1,151 × 491; 54 KB
Wireless Operator Sending Messages from SS Olympic Radio Station.jpg 2,734 × 1,854; 2.14 MB
Wireless telegraphy receiver after G. Marconi 1897.jpg 3,072 × 2,048; 2.41 MB
Wireless transmitter from Paharganj.jpg 1,463 × 1,418; 798 KB
Sayville station.jpg 2,004 × 2,080; 532 KB

Category:Wireless telegraphy

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Media in category "Wireless telegraphy"

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