[The next extract is from an article entitled ‘Telephonie,’ which appeared in a journal of science published at Leipzig, under the title ‘Aus der Natur.’ This article is essentially a paraphrase of Reis’s memoir read to the Physical Society in the preceding December (see p. 50), and contains the same illustrations, including a cut of the transmitter identical with [Fig. 9], p. 20.]
[6.]Aus der Natur. (Vol. xxi. 1862. July-October. pp. 470-474.)
“Until now, however, it was not possible to reproduce human speech with a distinctness sufficient for every person. The consonants are mostly tolerably distinctly reproduced, but the vowels not in an equal degree.”
[About this time there arose a Correspondence in the ‘Deutsche Industrie Zeitung’ (‘German Journal of Industry’) concerning the telephone. In No. xvi. p. 184 (1863), a correspondent who signs himself “K” asks whether the account of the telephone is true? In No. xviii. p. 208, there is given a brief answer; and No. xxii. contains, on p. 239, an extract from Legat’s Report, on Reis’s Telephone (see p. 70 of this work), together with an editorial remark to the effect that he had received a letter from Herr J. F. Quilling, of Frankfort-on-the-Main, who gives the information that in the transmission of singing in the telephone, the singer could be recognized by his voice.]
[7.][Extract From the Annual Report of the Physical Society of Frankfort-on-the-main (1863).]
...; “and on the 4th of July, 1863, by Mr. Philipp Reis, teacher, of Friedrichsdorf, On the Transmission of Tones to any desired Distance, by the help of Electricity, with the production of an Improved Telephone, and Exhibition of Experiments therewith.”
[This was Reis’s second occasion of bringing his Telephone before the Physical Society. The instrument had now-assumed the “square-box” pattern described at p. 27 of this work.]
[8.]Letter of Philipp Reis.
[In July 1863, Mr. W. Ladd, the well-known instrument-maker of London, bought one of Reis’s Telephones of Messrs. J. W. Albert and Son of Frankfort. Philipp Reis wrote to Mr. Ladd the following letter of instructions, having heard that Mr. Ladd proposed to exhibit the instrument at the approaching meeting of the British Association. The autograph letter, written in English, is still preserved, and has been presented by Mr. Ladd to the Society of Telegraph Engineers and of Electricians of London.]