optical flats

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• Optical flat — Optical flats in case. About 1 inch (2.5 cm) in diameter …   Wikipedia

• Bonneville Salt Flats — The Bonneville Salt Flats are a 159 square mile (412 km²) [http://www.lib.utah.edu/spc/photo/bonn/bonn.htm] salt flat in northwestern Utah. The depth of the salt has been recorded at 6 feet (1.8 m) in many areas.Fact|date=March 2007 A remnant of… …   Wikipedia

• Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia

• Photographic filter — Four photographic filters. Clockwise, from top left, an infrared hot mirror filter, a polarising filter, and a UV filter. The larger filter is a polariser for Cokin style filter mounts. In photography and videography, a filter is a camera… …   Wikipedia

• United States Postal Service — This article is about the government agency. For individual post offices, see U.S. Post Office (disambiguation). For the cycling team, see Discovery Channel Pro Cycling Team. USPS redirects here. For the non profit boating safety and education… …   Wikipedia

• List of Statutory Instruments of the United Kingdom, 2007 — This is an incomplete list of Statutory Instruments of the United Kingdom in 2007. NOTOC 1 100* Cider and Perry and Wine and Made wine (Amendment) Regulations 2007 S.I. 2007/4 * Customs and Excise (Personal Reliefs for Special Visitors)… …   Wikipedia

• Zambia — Zambian, adj., n. /zam bee euh/, n. a republic in S Africa: formerly a British protectorate and part of the Federation of Rhodesia and Nyasaland; gained independence 1964; a member of the Commonwealth of Nations. 9,349,975; 288,130 sq. mi.… …   Universalium

• Donald Keck — Donald B. Keck Born 2 January 1941(1941 01 02) Lansing, Michigan Nationality United States …   Wikipedia

• industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …   Universalium

• Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …   Universalium

• Bombing of Braunschweig in World War II — The Bombing of Braunschweig (or Brunswick) in World War II on the night of 14/15 of October 1944 by No. 5 Group Royal Air Force (RAF) marked the high point of the destruction of Henry the Lion s city in the Second World War. The air raid, part of …   Wikipedia