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Silvanus P. Thompson
Philipp Reis: Inventor of the Telephone
A Biographical Sketch
Published by Good Press, 2019
EAN 4064066182526
Table of Contents
CHAPTER I. BIOGRAPHY OF THE INVENTOR.
CHAPTER II. THE INVENTOR’S APPARATUS.
CHAPTER III. THE CLAIM OF THE INVENTOR.
I.—Reis’s Telephone was expressly intended to transmit speech.
II.—Reis’s Telephone, in the hands of Reis and his contemporaries, did transmit speech.
III.—Reis’s Telephone will transmit speech.
CHAPTER IV. CONTEMPORARY DOCUMENTS.
[1.] On Telephony by the Galvanic Current. By Philipp Reis .
[3.] Telephony , i.e. Sound-Transmission [Translation from ‘Didaskalia,’ May 8th, 1862.]
[4.] Translation from ‘Didaskalia,’ 12th May, 1862.
[6.] Aus der Natur. (Vol. xxi. 1862. July-October. pp. 470-474.)
[7.] [Extract From the Annual Report of the Physical Society of Frankfort-on-the-main (1863) .]
[10.] On the Improved Telephone.
[13.] Extract from the Report of the German Naturalists’ Society, held at Giessen (1864) .
[15.] Extract from Pisko’s ‘Die Neueren Apparate der Akustik.’
[16.] Hessler’s ‘Text-book of Technical Physics,’ vol. i. p. 648.
[17.] Kuhn’s ‘Handbook of Applied Electricity,’
CHAPTER V. TESTIMONY OF CONTEMPORARY WITNESSES.
Professor G. Quincke , Professor of Physics in the University of Heidelberg .
APPENDIX I. Comparison of Reis’s Transmitters with Recent Instruments.
APPENDIX II. On the Variation of Electric Resistance at a Point of Imperfect Contact in a Circuit.
APPENDIX III. Comparison of Reis’s Receivers with Recent Instruments.
APPENDIX IV. On the Doctrine of Undulatory Currents.