delicate instruments
11Dogfight — This article is about the aerial combat maneuver. For other uses, see Dogfight (disambiguation). A dogfight, or dog fight, is a form of aerial combat between fighter aircraft; in particular, combat of maneuver at short range, where each side is… …
12Паркер, Андреа — В Википедии есть статьи о других людях с такой фамилией, см. Паркер. Андреа Паркер англ. Andrea Parker Имя при рождении: Андреа Николь Паркер Дата рождения: 8 марта …
13James Melville Gilliss — Infobox Scientist name = PAGENAME box width = image width =150px caption = PAGENAME birth date = September 6, 1811 birth place = Georgetown, Washington, D.C. death date = February 9 1865 death place = Washington, D.C. residence = citizenship =… …
14Observatory — This article is about scientific observatories. For the suburb of Cape Town, see Observatory, Cape Town. For other uses, see The Observatory (disambiguation). The Sphinx Observatory at the Jungfraujoch in the Swiss Alps; high altitude… …
15bell jar — noun a bell shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gases • Syn: ↑bell glass • Hypernyms: ↑protective covering, ↑protective cover, ↑protection * * * noun : a bell shaped… …
16GOLDSMITHS AND SILVERSMITHS — The two closely related professions of refining, casting, beating, and filigreeing silver and gold have occupied Jewish craftsmen uninterruptedly from biblical times to the present. The highly skilled nature of the work, the relatively constant… …
17Fixed Survey Meter — The Fixed Survey Meter was a specialist detection instrument used by the Royal Observer Corps during the Cold War between 1958 and 1982 to detect ionising radiation from nuclear fallout generated by a ground burst. [… …
18Operational definition — The operational definition of a peanut butter sandwich might be simply the result of putting peanut butter on a slice of bread with a butter knife and laying a second equally sized slice of bread on top An operational definition defines something …
19Binnacle — A binnacle is a case or box on the deck of a ship, generally mounted in front of the helmsman,in which navigational instruments are placed for easy and quick reference as well as to protect the delicate instruments.A binnacle may be subdivided… …
20Tortilla — In Mexico, Central America, the Caribbean, the United States, and Canada, a tortilla is a type of thin, unleavened flat bread, made from finely ground maize (corn) or wheat flour. A similar bread from South America is called arepa (though arepas… …
