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Longitude by chronometer is a method, in navigation, of determining longitude using a marine chronometer, which was developed by John Harrison during the first half of the eighteenth century. It is an astronomical method of calculating the longitude at which a position line, drawn from a sight by sextant of any celestial body, crosses the ...
The Pioneer Instrument Company was started by Morris Maxey Titterington and Brice Herbert Goldsborough in Brooklyn, New York in 1919 using patents from the Lawrence Sperry Aircraft Corporation. [2] [3] Charles Herbert Colvin was the president. They specialized in aeronautical instruments including a bubble sextant and the Earth Inductor Compass.
The frame of a sextant is in the shape of a sector which is approximately 1 ⁄ 6 of a circle (60°), [2] hence its name (sextāns, sextantis is the Latin word for "one sixth"). "). Both smaller and larger instruments are (or were) in use: the octant, quintant (or pentant) and the (doubly reflecting) quadrant [3] span sectors of approximately 1 ⁄ 8 of a circle (45°), 1 ⁄ 5 of a circle (72 ...
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HPI, LLC, also called HPI, is a limited liability corporation based in Houston, TX specializing in the design and development, engineering, manufacturing, testing, installation, and commissioning of control and monitoring systems for industrial turbo-machinery applications. [1]
In 2005 Houston City Council Member Mark Goldberg and Jim Myers, head of the nonprofit group Southwest Houston 2000 Inc., lobbied the state government, asking the state to create what was originally called the Fondren Ranch Management District. [6] In June 2005 the 79th Texas Legislature created the Brays Oaks Management District in the area. [7]
Thomas moved to Liverpool to continue working as a watchmaker in 1843, and thence to London in 1854, to buy a one-way ticket to the USA, in search of new and better prospects. Seeing a chronometer in the window of John Fletcher (chronometer makers), he changed his mind about the USA, asking for work and being hired on the spot. [3]
Sharp donated a 300-foot-wide strip of land through the development to the state of Texas for construction of the Southwest Freeway (Interstate 69/U.S. Highway 59).This routing ensured easy access from Downtown Houston to homes in the neighborhood, as well as to PlazAmericas (formerly Sharpstown Mall and Sharpstown Center) (1961), Houston's first air-conditioned, enclosed shopping mall.