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. 1893 Excerpt: ...the Socie'te' Ge'nerale des Telephones, there were a large number o: telephones connected with the opera house, and several other places of amusement where the entertainment was entirely of a musu-.il nature, as distinguished from that in the theaters. The system was a double one, there being two microphones on the ...
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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. 1893 Excerpt: ...the Socie'te' Ge'nerale des Telephones, there were a large number o: telephones connected with the opera house, and several other places of amusement where the entertainment was entirely of a musu-.il nature, as distinguished from that in the theaters. The system was a double one, there being two microphones on the stage by the front footlights, one to the right and one to the left; these were connected by independent circuits, each to a series of telephones at the receiving station; each listener had two telephones, one on each circuit. There were about twenty to thirty sets of these on one line. The circuits were all underground, and metallic, some being a number of miles long. The transmission was remarkably perfect and clear, and there was an entire absence of the objectionable by-sounds. The transmission was equally good for instrumental as well as vocal music: a person skilled in orchestral music could not only distinguish readily between the string and the wind instruments, but could even distinguish between those of the same class, as for instance between a flute and a clarionette. MISCELLANEOUS. To an American, one of the most prominent features of the whole telephone exhibit was the very large number of modifications in the forms of apparatus, having the general object of making it more convenient for the persons using it. Especially interesting were those exhibited by the Socie'te Gene'rale des Telephones. Among these may be mentioned the desk form shown in Fig. 28, which comprises a whole installation. It is on rollers and may be moved about at will. The microphone forms the top slab of the apparatus, and is slightly inclined; the two telephones are the receivers; the small push button in front is the call (battery call). Another convenient for...
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Add this copy of Electricity at the Paris Exposition of 1889 to cart. $19.72, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
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