Britannica 11th
Encyclopaedia Britannica · 11th edition
Telephone
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 o ...
Vol. 26, pp. 547-556 · ocr-imported-page-alignedElectricity
... rine and wireless) and of telephony are discussed in the articles TELEGRAPH and TELEPHONE, and various electrical instruments are treated in separate articles such as AMPEREMETER; ELECTROMETER; GALVANOMETER; VOLTMETER; WHEATSTONE'S BRIDGE; POTENTIOMETER; METER ...
Vol. 9, pp. 179-192 · ocr-imported-page-alignedTelegraph
... is instrument is dropping out of use and the " sounder " (and in many cases the telephone) is being used in its place. At offices where the work is heavier than can be dealt with by the ABC apparatus, the " Single Needle " instrument has been very largely empl ...
Vol. 26, pp. 510-540 · ocr-imported-page-alignedUnited States
... ackers and shippers, saleswomen (which is the largest class), and telegraph and telephone operators they have a large representation (13 to 34 %). A great variation exists in the proportion of the sexes employed in different manufacturing industries. Of dress- ...
Vol. 27, pp. 612-735 · ocr-imported-page-aligned