How do rain gauges anemometer compass thermometer weather vane exc work - Bookshelf
The register is also in connection with a cup anemometer mounted above the weather tower. Four hemispherical cups ... On the drum of this are inscribed the temperatures as determined by a thermometer in the weather tower. An aneroid ... _ A self-registering siphon barometer by Eccard and a Gibbons self-registering rain gauge also find a place in the office. The instrument ... It is built of iron, and forms a small elevated chamber, closed on all sides by iron louver work. To cut off any ...
United States Export Almanac, A Comprehensive Presentation of American Products, Industries and Commerce in English, French, Spanish and German
The work was soon interrupted, to be resumed in 1832, when its vigorous prosecution commenced. ... In 1836 W. A. Burt produced the solar compass, by which the use of the magnetic needle was avoided. ... With improved graduating engines smaller circles can be used, and consequently smaller and lighter instruments. ... In its weather observations the Signal Service uses barometers and thermometers of several kinds, and rain gages, wind vanes and anemometers, the three latter ...
Luke Howard published this work of statistics on weather conditions in London in two volumes, in 1818 and 1820.