Quadrant (instrument) — Ptolemy using a quadrant A quadrant is an instrument that is used to measure angles up to 90°. It was originally proposed by Ptolemy as a better kind of astrolabe.[1] Several different variations of the instrument were later produced by medieval… … Wikipedia
Davis, John — ▪ English navigator Davis also spelled Davys born c. 1550, Sandridge, near Dartmouth, Devon, Eng. died Dec. 29/30, 1605, off Bintan Island, near Singapore English navigator who attempted to find the Northwest Passage through the Canadian… … Universalium
Davis Brody Bond — Aedas is a US architectural firm.On April 13, 2004 the Lower Manhattan Development Corporation announced that Davis Brody Bond Aedas would serve as the associate architects to assist Michael Arad and Peter Walker with their design for Reflecting… … Wikipedia
Davis Brody Bond Aedas — is a US architectural firm. On April 13, 2004 the Lower Manhattan Development Corporation announced that Davis Brody Bond Aedas would serve as the associate architects to assist Michael Arad and Peter Walker with their design for Reflecting… … Wikipedia
Quadrant (instrument) — Pour les articles homonymes, voir Quadrant. Le quadrant mobile d Augustin Stark (1815). Le quadrant est un ancien instrument de navigation qui servait à faire le point sur sa position en … Wikipédia en Français
Elton's quadrant — An Elton s quadrant is a derivative of the Davis quadrant. It adds an index arm and artificial horizon to the instrument. It was invented by John Elton a sea captain who patentedhis design in 1728Bennett, Jim, Catadioptrics and commerce in… … Wikipedia
John Davis (English explorer) — Infobox Person name = John Davis image size = 200 px caption = 17th century painting of Davis birth name = birth date = 1550? birth place = Sandridge, Devon, England death date = death date|1605|12|29 death place = Bintan, Sumatra body discovered … Wikipedia
National Register of Historic Places listings in the upper NW Quadrant of Washington, D. C. — Main article: National Register of Historic Places listings in Washington, D.C. This is a list of properties and districts listed on the National Register of Historic Places in the Northwest quadrant of Washington, D.C. that are both east of Rock … Wikipedia
National Register of Historic Places listings in Davis County, Iowa — Location of Davis County in Iowa This is a list of the National Register of Historic Places listings in Davis County, Iowa. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in… … Wikipedia
David's quadrant — [David s quadrant error for Davis s quadrant: see quadrant and next.] … Useful english dictionary
