Philipp Reis Inventor of the Telephone a Biographical Sketch With Documentary
Philipp Reis Inventor of the Telephone a Biographical Sketch With Documentary
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In our eReader you can find the full English version of the book. Read Philipp Reis Inventor of the Telephone a Biographical Sketch With Documentary Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Philipp Reis Inventor of the Telephone a Biographical Sketch With Documentary
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24. This instrument, though patented seven months after Bell's instrument, differs from it in no point of im- portance. Its armature was a thin plate of iron, elastic, and having an extended surface ; being, in fact, a tympanum.
No one can examine the set of receiving instruments col- lected in Fig. 46 without being struck with the extraordinary similarity of design which pervades the entire series. In every one of the set there is an electro-magnet, . The function of which is to set an armatur...e * into vibration by attracting it with a variable force. In every one the armature is of a * Yet Bell's claim (British Patent Specification) runs: "I claim the production cf any given sound or sounds from the armature of tho receiving instrument. " M 2 164 PHILIPP REIS, material capable of magnetic induction ; that is to say, iron, steel, or equivalent material. In every one of them the arma- ture is either elastically mounted, or is in itself elastic. In every one of them (save only the two quite recent forms, F and /, which were intended not to speak, but to emit only one fixed musical note) there is an extended surface (either a sound- board or a tympanum) to communicate the vibrations to the air.
What to read after Philipp Reis Inventor of the Telephone a Biographical Sketch With Documentary?
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To quickly assess the difficulty of the text, read a short excerpt:
24. This instrument, though patented seven months after Bell's instrument, differs from it in no point of im- portance. Its armature was a thin plate of iron, elastic, and having an extended surface ; being, in fact, a tympanum.
No one can examine the set of receiving instruments col- lected in Fig. 46 without being struck with the extraordinary similarity of design which pervades the entire series. In every one of the set there is an electro-magnet, . The function of which is to set an armatur...e * into vibration by attracting it with a variable force. In every one the armature is of a * Yet Bell's claim (British Patent Specification) runs: "I claim the production cf any given sound or sounds from the armature of tho receiving instrument. " M 2 164 PHILIPP REIS, material capable of magnetic induction ; that is to say, iron, steel, or equivalent material. In every one of them the arma- ture is either elastically mounted, or is in itself elastic. In every one of them (save only the two quite recent forms, F and /, which were intended not to speak, but to emit only one fixed musical note) there is an extended surface (either a sound- board or a tympanum) to communicate the vibrations to the air.
What to read after Philipp Reis Inventor of the Telephone a Biographical Sketch With Documentary?
You can find similar books in the "Read Also" column, or choose other free books by Silvanus Phillips Thompson to read onlineMoreLess
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