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Hand, Wayland Debs

(Encyclopedia) Hand, Wayland Debs, 1907–86, folklorist, b. Auckland, New Zealand. Hand wrote Popular Beliefs and Superstitions from North Carolina (1964), which is ranked among the finest published…

Graham, George

(Encyclopedia) Graham, George, 1674?–1751, English instrument maker. A clockmaker by trade, Graham designed clocks and watches that earned him membership in the Royal Society and were still…

Tompion, Thomas

(Encyclopedia) Tompion, Thomas, 1639?–1713, English clockmaker. When the Royal Observatory at Greenwich was established in 1676, Tompion was chosen to make two clocks, to be wound only once a year,…

horology

(Encyclopedia) horologyhorologyhōrŏlˈəjē [key], science of measuring time and technology of constructing instruments for its measurement or recording. Early measurements of the passage of time were…

Columella

(Encyclopedia) Columella (Lucius Junius Moderatus Columella)Columellakŏlˌyəmĕlˈə [key], fl. 1st cent. a.d., Latin writer on agriculture, b. Gades (now Cádiz), Spain. Of his work there remains the 12-…

United States Naval Observatory

(Encyclopedia) United States Naval Observatory, a federal astronomical observatory, located in Washington, D. C. It evolved from the Navy's oldest scientific institution, the Depot of Charts and…

Las Cases, Emmanuel, comte de

(Encyclopedia) Las Cases, Emmanuel, comte deLas Cases, Emmanuel, comte deĕmänüĕlˈ kôNt də läs käz [key], 1766–1842, French historian. He accompanied Napoleon into exile to St. Helena, where the…

Airy, Sir George Biddell

(Encyclopedia) Airy, Sir George Biddell, 1801–92, English astronomer. The son of a poor farmer, he distinguished himself as Senior Wrangler at Cambridge, where he was elected fellow of Trinity…

Rogers, John, American sculptor

(Encyclopedia) Rogers, John, 1829–1904, American sculptor, b. Salem, Mass. Trained as an engineer, he was forced by failing eyesight to work as a machinist. He began modeling in clay as a pastime and…

Mercator, Gerardus

(Encyclopedia) Mercator, GerardusMercator, Gerardusjərärˈdəs mûrkāˈtər [key], Latin form of Gerhard KremerGerhard Kremergārˈhärt krāˈmər [key], 1512–94, Flemish geographer, mathematician, and…