radial plotter
1Orbit — This article is about orbits in celestial mechanics, due to gravity. For other uses, see Orbit (disambiguation). A satellite orbiting the Earth has a tangential velocity and an inward acceleration …
2Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll …
3Macintosh Classic — This article is about a particular model of computer. For the classic Macintosh operating system, see Mac OS. Macintosh Classic Developer Apple Computer Release date October 15, 1990 …
4Henry Georges Fourcade — (July 8, 1865, Bordeaux, France ndash; January 19, 1948, Witte Els Bosch, South Africa) also known as Henri Georges Fourcade and sometimes Georges Henri Fourcade, was a surveyor, forester, pioneer of photogrammetry and as botanist, a major early… …
5Henry Georges Fourcade — Nacimiento 1865 Burdeos, Francia Fallecimiento 1948 Witte Els Bosch, Sudáfrica Residencia Sudáfrica Na …
6Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
7Plot (graphics) — Scatterplot of the eruption interval for Old Faithful (a geyser). A plot is a graphical technique for representing a data set, usually as a graph showing the relationship between two or more variables. The plot can be drawn by hand or by a… …
8Ellipse — Elliptical redirects here. For the exercise machine, see Elliptical trainer. This article is about the geometric figure. For other uses, see Ellipse (disambiguation). Not to be confused with ellipsis. An ellipse obtained as the intersection of a… …
9Mathematical discussion of rangekeeping — In naval gunnery, when long range guns became available, an enemy ship would move some distance after the shells were fired. It became necessary to figure out where the enemy ship, the target, was going to be when the shells arrived. The process… …
10Instituto Oceanográfico de la Armada del Ecuador — El Instituto Oceanográfico de la Armada del Ecuador tiene su origen en el Servicio Hidrográfico que se formó en 1932 durante la administración del Dr. Alfredo Baquerizo Moreno. Luego, en 1972 fue elevado a la categoría de Instituto Oceanográfico …
