1910–1911
Britannica 11th
Encyclopaedia Britannica · 11th edition
TELEPHONE (Gr. rijXe, far, and <t^ivrj, voice). Telephony is the art of reproducing sounds at a distaflce from their source, and a telephone is the instrument employed in sending or receiving such sounds. The term " telephony " was first used by Philipp Reis of Friedrichsdorf, in a lecture delivered before the Physical Society of Frankfort in i86i.1 But, although this lecture and Reis's subsequent work received considerable notice, little progress was made until the subject was taken up between 1874 and 1876 by Ale…
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- Vol. 26, pp. 547-556