compensated compass
21Diving regulator — and Octopus Other names Demand valve Uses Reduces pressurized breathing gas to ambient pressure and delivers it to the diver Inventor Manuel Théodore Guillaumet (1838), Benoît Rouquayrol (1860) …
22Weighing scale — Emperor Jahangir (reign 1605 1627) weighing his son Shah Jahan on a weighing scale by artist Manohar (AD 1615, Mughal dynasty, India). A weighing scale (usually just scales in UK and Australian English, weighing machine in south Asian English or… …
23Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …
24Mesoamerica — This article is about the culture area. For other uses, see Mesoamerica (disambiguation). Mesoamerica or Meso America (Spanish: Mesoamérica) is a region and culture area in the Americas, extending approximately from central Mexico to Belize,… …
25china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material …
26China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast …
27Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
28England (Since the Reformation) — England (Since the Reformation) † Catholic Encyclopedia ► England (Since the Reformation) The Protestant Reformation is the great dividing line in the history of England, as of Europe generally. This momentous Revolution, the outcome… …
29Chinatown, San Francisco — Chinatown   Neighborhood of San Francisco   A Gateway Arch (Dragon Gate) on Grant Avenue at Bush Street in Chinatown, the only authentic China …
30Consequences of Nazism — World War II seriesv · d · e …
