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Knight's Mechanical Encyclopedia (ed. Knight) 2 0 Browse Search
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Knight's Mechanical Encyclopedia (ed. Knight), M. (search)
belts are of different lengths, so as to mismatch the sections as they are revolved. Me′te-oro-log′i-cal In′stru-ments. See under meter for list; including barometer, thermometer, hygrometer, rain-meter, etc. Mete-or-om′e-ter. （Telegraphy.) An apparatus for receiving, at a local station, transmitting to a central station, by telegraph-wires, and there recording, the direction and velocity of the wind, condition of the barometer and thermometer, amount of rainfall, etc. Stephen Chester of Elizabeth, New Jersey, patented in 1862 a telegraphic meteorometer which records at frequent intervals by a single wire, from as many instruments as may be desired, and at any distance; the purpose being to collect reports for the signal service. A clock-work mechanism at the sending station throws the wire alternately into connection with a registering anemometer, vane, barometer, thermometer, etc., at such intervals of time as may be decided upon. The anemometer is of the wi