1903 __ Caruso on air
‣ Comment : On 7 October 1897, Adolf Slaby established a 21-kilometer radio link between Schöneberg and Rangsdorf, a world record. The following summer, he established a link between Berlin to Jüterbog with the end-points being over 60 km apart. Crucial improvements led to the success, not of spark gap transmission antennas as used by antenna (technology)| Marconi, but in inductive antennas induction (electro-technology). (Fassbender, 1965) — In 1903 a principal switch for transmitting records was developed by Professor Adolf Slaby of the Berlin Technical University, whose “Voyages of Discovery into the Electric Ocean” delighted “His Imperial Majesty’s dinner table at tranquil Hubertusstock”. The same Imperial Majesty put Slaby’s assistant Count von Arco in charge of Telefunken GmbH. Building on Valdemar Poulsen’s procedure, the two Berliners were able to produce a high frequency whose wireless oscillations “were no longer in the range of audibility but delighted the electrician as much as the thrice-accented C of a famous tenor would a music lover”. On this radio carrier frequency, “Caruso’s singing, though emanating from the bell-mouth of a gramophone, could be transmitted in all its purity to our ears through the roaring metropolis”; That is, all the way from Sakrow to Postdam. Slaby’s choice of tenors was not coincidental : on March 18, 1902, Caruso had revamped his immortality. — from the hearsay of future opera audiences to gramophony. (Friedrich Kittler)
‣ French comment : Le professeur Adolf Slaby est un "intime" de l'empereur Guillaume II. En 1903 à Berlin, à partir d'un enregistrement gramophonique, il réussit la transmission sans fil de la voix de Caruso, quatre kilomètres plus loin. "Le chant de Caruso," écrit-il, "est transporté en toute pureté jusqu'à nos oreilles à travers le tonnerre de bruits de la capitale.". (Peter Szendy)
‣ Source : Kittler, Friedrich A. (1986), “Gramophone, Film, Typewriter”, Berlin : Brinkmann & Bose; and also, translated by Geoff Winthrop-Young and Michael Wutz, Stanford University Press, 1999, pp. 94-95.
‣ Source : Szendy, Peter (1996), “De la harpe éolienne à la "toile": fragments d'une généalogie portative”, in Lire l'Ircam (n° spécial des Cahiers de l'Ircam), pp. 40-72, 1996, et Tr@verses n° 1, juillet 1996.
‣ Source : Slaby, Adolphus (1898), "The New Telegraphy, Recent experiments in telegraphy with sparks.". The Century Magazine. April, 1898.
‣ Urls : http://www.ieee.org/portal/cms_docs_iportals/iportals/aboutus/history_center/conferences/che2004/Yuste.pdf (last visited )
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