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Goniometer made by Develey le Jeune in Lausanne, late 18th–early 19th century. A goniometer is an instrument that either measures an angle or allows an object to be rotated to a precise angular position.
The Ground Observer Corps (GOC), sometimes erroneously referred to as the Ground Observation Corps, was the name of two American civil defense organizations during the middle 20th century. World War II organization
Female Combat Intelligence Collection soldiers during training. The Israeli Combat Intelligence Collection Corps (previously known as Field Intelligence Corps) is the newest of the Israel Defense Forces GOC Army Headquarters' five corps, created in April 2000 and tasked with gathering military intelligence in combat areas to support air and ground combat units to be more effective in their ...
The first tachometer was described by Bryan Donkin in a paper to the Royal Society of Arts in 1810 for which he was awarded the Gold medal of the society. This consisted of a bowl of mercury constructed in such a way that centrifugal force caused the level in a central tube to fall when it rotated and brought down the level in a narrower tube above filled with coloured spirit.
The Ground Operations Command (GOC; Korean: 지상작전사령부, hanja: 地上作戰司令部) is a command of the Republic of Korea Army, [1] based in Yongin, Gyeonggi Province. [ 2 ] History
The GOC Army Headquarters (Hebrew: מפקדת זרוע היבשה, Mifkedet Zro'a HaYabasha, abbreviated Mazi), is a multi-corps command headquarters of the Ground Forces of the Israel Defense Forces. The current size of the Israeli Ground Forces is estimated at 126,000 active soldiers and 400,000 soldiers in reserve.
A minute of arc, arcminute (arcmin), arc minute, or minute arc, denoted by the symbol ′, is a unit of angular measurement equal to 1 / 60 of one degree. [1] Since one degree is 1 / 360 of a turn, or complete rotation, one arcminute is 1 / 21 600 of a turn.
The axes of the original frame are denoted as x, y, z and the axes of the rotated frame as X, Y, Z.The geometrical definition (sometimes referred to as static) begins by defining the line of nodes (N) as the intersection of the planes xy and XY (it can also be defined as the common perpendicular to the axes z and Z and then written as the vector product N = z × Z).