Keystone b-4a

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• Keystone — may refer to:* Keystone (architecture), the piece at the apex of an arch or vault * The Keystone effect, caused by projecting an image onto a surface at an angle, or by photography at an angle * Keystone correction for these types of… …   Wikipedia

• Keystone — ist die englische Bezeichnung für den Schlussstein der Name verschiedener Orte in den Vereinigten Staaten: Keystone (Colorado) Keystone (Florida) Keystone (Indiana) Keystone (Iowa) Keystone (South Dakota) Keystone (West Virginia) Keystone… …   Deutsch Wikipedia

• Keystone — Keystone, CO U.S. Census Designated Place in Colorado Population (2000): 825 Housing Units (2000): 2606 Land area (2000): 40.636910 sq. miles (105.249108 sq. km) Water area (2000): 0.006514 sq. miles (0.016872 sq. km) Total area (2000): 40.643424 …   StarDict's U.S. Gazetteer Places

• Keystone NK — Role Biplane trainer National origin United States Manufacturer Keystone Aircraft First flight 1928 Introduction 1930 Primary user United States Navy …   Wikipedia

• Keystone B-4A — Keystone B 4 Keystone B 4 …   Wikipédia en Français

• keystone — (n.) stone in the middle of an arch, which holds up the others, 1630s, from KEY (Cf. key) (n.1) in figurative sense of that which holds together other parts + STONE (Cf. stone). Figurative sense is from 1640s. Pennsylvania was called the Keystone …   Etymology dictionary

• Keystone — ☆ Keystone [kē′stōn΄ ] adj. [after Keystone Comedy Co., the film producers] designating, of, or like the slapstick comedy of a series of silent films featuring a bungling, inept squad of policemen (Keystone Kops or Keystone Cops) in wild chases,… …   English World dictionary

• Keystone, CO — U.S. Census Designated Place in Colorado Population (2000): 825 Housing Units (2000): 2606 Land area (2000): 40.636910 sq. miles (105.249108 sq. km) Water area (2000): 0.006514 sq. miles (0.016872 sq. km) Total area (2000): 40.643424 sq. miles… …   StarDict's U.S. Gazetteer Places

• Keystone, FL — U.S. Census Designated Place in Florida Population (2000): 14627 Housing Units (2000): 5709 Land area (2000): 36.078818 sq. miles (93.443706 sq. km) Water area (2000): 3.164101 sq. miles (8.194984 sq. km) Total area (2000): 39.242919 sq. miles… …   StarDict's U.S. Gazetteer Places

• Keystone, IA — U.S. city in Iowa Population (2000): 687 Housing Units (2000): 281 Land area (2000): 0.370289 sq. miles (0.959043 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.370289 sq. miles (0.959043 sq. km) FIPS code:… …   StarDict's U.S. Gazetteer Places