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...t.<ref name=Barlow/> The publication of Barlow's law delayed research into telegraphy for several years, until 1831 when [[Joseph Henry]] and [[Philip Ten Eyck]] ...

...[[rectangular function]] which are more relevant to [[electrical telegraph|telegraphy]]. However, the [[multiplicative factor]] is different in these cases. Fo ...that the delay in the peak would be directly proportional to line length. Telegraphy was in its infancy and many telegraph engineers were self taught. They ten ...

...io stations, which were employed not for broadcasting but for ''[[wireless telegraphy]]'', to transmit [[telegraph]] messages in [[Morse code]] to similar statio | title = The Goldschmidt system of radio telegraphy ...

...mechanics, physics, astronomy, chemistry, mineralogy, geodesy, geography, telegraphy, social science, philosophy, and literature."<ref name=CL80/> ...

[[Category:Telegraphy]] ...

* Beauchamp, Ken, ''History of Telegraphy'', IET, 2001 {{ISBN|0852967926}}. [[Category:Telegraphy]] ...

{{Main|Wireless telegraphy}} ...b|Generic block diagram of an unamplified radio receiver from the wireless telegraphy era<ref name="Rudersdorfer2">{{cite book ...

...|telegraph]] link using the [[bit|5-bit]] [[Baudot code#ITA2|International Telegraphy Alphabet No. 2]] (ITA2). These machines were subsequently discovered to be ...ich led British [[cryptographer]]s to refer to encrypted German [[Wireless telegraphy|radiotelegraphic]] traffic as "[[Fish (cryptography)|Fish]]".{{sfn|Good|Mic ...

...legraphs can be seen as an offset-1 (''excess-1'') [[reflected binary code#Telegraphy codes|''reflected'' binary (Gray) code]]. ...

...se components. Although attempts were made in the 1880s to apply them to [[telegraphy]], these designs proved inadequate for successful [[frequency-division mult ...mages.storage.googleapis.com/6b/a2/44/57665febdb7fde/US838545.pdf Multiple Telegraphy and Telephony]'', United States patent US0838545, filed 9 May 1894, issued ...

...ddition, Heaviside was responsible for considerable progress in electrical telegraphy, telephony, and the study of the propagation of electromagnetic waves. Inde === Telegraphy, telephony, the wireless, and photography === ...

Filtering audio frequencies dates back at least to [[acoustic telegraphy]]<ref>{{citation |title=The Telephone and the Multiple Telegraph |url=https ...

...e]] signals in order to [[Multiplexing|multiplex]] samples from multiple [[telegraphy]] sources and to convey them over a single telegraph cable. The American in ...

...th investigating the "Standards of Electrical Resistance".{{clarify|reason=telegraphy?|date=January 2018}} In their first report (1862),<ref> ...e development of a more applicable system of electric units especially for telegraphy. The unit of length was 10⁷&nbsp;m (the [[hebdometre]], nominall ...

In 19th century [[telegraphy]], [[electrical circuit]]s, some spanning [[continent]]s and [[ocean]]s, co ...

Some types of primary batteries used, for example, for [[Telegraphy|telegraph]] circuits, were restored to operation by replacing the electrode ...

{{term|[[wireless telegraphy]]}} ...

...or to enter the machine room. With the establishment of the first radio [[telegraphy]] and its telegraph stations, the U.S. magazine The Atlanta Constitution re ...

...|last2=Tosi|first2=A.|date=1907-12-01|title=A Directive System of Wireless Telegraphy|url=https://zenodo.org/record/2084023|journal=Proceedings of the Physical S ...