Philipp Reis; Inventor of the Telephone. a Biographical Sketch, with Documentary Testimony, Translations of the Original Papers of the Inventor and Contemporary Publications

Philipp Reis; Inventor of the Telephone. a Biographical Sketch, with Documentary Testimony, Translations of the Original Papers of the Inventor and Contemporary Publications

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1883 edition. Excerpt: ...day was not very successful, but at the afternoon sitting, when communications were made to the Section by Prof. Buff, by Reis himself, and by Prof. Poggendorff, the instrument was shown in action with great success. Reis expounded, the story how he came to think of combining with the electric current interruptor a tympanum in imitation of that of the human ear, narrating his researches in an unassuming manner that won his audience completely to him; and the performance of the instrument was received with great applause. Various professors essayed to experiment with the instrument, with varying degrees of success according to whether their voices suited the instrument or not. Amongst these were Prof. Bottger and Prof. Quincke of Heidelberg, whose account of the occasion is to be found on p. 112. Dr. Bohn, the Secretary of the Section, wrote for the 'Journal' (Tagesblatt), issued daily, the following notice. 13. Extract From The Report Of The German NatuRalists' Society, Held At Giessen (1864). "Afternoon sitting on 21st September, 1864. "Prof. Buff speaks about the tones of iron and steel rods when magnetised, and exhibits the corresponding experiments. "Dr. Reis demonstrates his Telephone, gives thereupon an explanation and the history of this instrument. "Prof. Poggendorff produces tones in a metal cylinder, the slit up edges of which touch one another firmly, and which is placed loosely round an induction-bobbin through which there goes an interrupted current." This occasion was the crowning point of Philipp Reis's career, and might have proved of even greater importance but for two causes: the inventor's precarious health, and the indifference with which the commercial world of Germany viewed this great invention....show more

Product details

  • Paperback | 52 pages
  • 189 x 246 x 3mm | 109g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236519612
  • 9781236519610