Land-surveying
121Hand compass — Parts of a hand compass A hand compass (aka hand bearing compass or sighting compass) is a term for any compact magnetic compass capable of one hand use and fitted with a sighting device to record a precise bearing or azimuth to a given target or …
122Heron of Alexandria — or Hero of Alexandria flourished с. AD 62, Alexandria, Egypt Greek mathematician and inventor. He is remembered for his formula for the area of a triangle and for inventing the aeolipile, the first steam engine, which, in his design, was a… …
123Ordnance Survey National Grid — For the electricity network, see National Grid (Great Britain). Geodesy Fundamentals …
124Ferranti (entreprise) — Pour les articles homonymes, voir Ferranti. Moteur Ferranti, au Museum des Sciences et de l Industrie …
125base line — noun Etymology: base (I) : a main line taken as or representing a base: as a. : base 6b; specifically : a line extending east and west from a chosen reference point on a principal meridian and forming with the meridian a pair of coordinate axes… …
126ABRAHAM BAR ḤIYYA — (Ḥayya; d. c. 1136), Spanish philosopher, mathematician, astronomer, and translator. Little is known about Abraham s life apart from the fact that he lived in Barcelona. Two titles by which he was known provide clues to his public activity. One… …
127Dar es Salaam — This article is about the city. For the region, see Dar es Salaam (region). For the 2000 Chadian film, see Daresalam. For the Divisions of the world in Islam , see Divisions of the world in Islam. Dar es Salaam Mzizima Dar… …
128Bear Island (Norway) — Infobox Islands name = Bear Island image caption = Bear Island is located north of mainland Norway, in the south of the native name = Bjørnøya native name link = Norwegian language nickname = location = Barents Sea coordinates =… …
