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Fayl:Radiotelegraph syphon recorder tape 1922.png

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Radiotelegraph_syphon_recorder_tape_1922.png (378 × 95 piksel, fayl hajmi: 6 KB, MIME tipi: image/png)

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Taʼrif
English: A Morse code transatlantic radiotelegraph message from 1922 recorded on paper tape by a syphon recorder. This was transmitted at 40 words per minute from the powerful longwave transmitter at Nauen, Germany and received at RCA's message center in New York.
Sanasi
Manba Retrieved August 4, 2016 from Weinberger, Julius, "The recording of high speed signals in radio telegraphy" in Proc. of the I.R.E, Institute of Radio Engineers, New York, Vol. 10, No. 3, June, 1922, p. 205, fig. 22 on Google Books
Muallif Julius Weinberger

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Public domain
Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.

United States
United States
This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

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Morse code message recorded on paper tape

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