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A diagram of a typical nautical sextant, a tool used in celestial navigation to measure the angle between two objects viewed by means of its optical sight. Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the ...
Electrical Tape Color Codes [2] Tape color Usage (U.S.) Usage (U.K.) Usage (International – new) Black Insulation Low voltage, phase A Insulation Low voltage, phase C Low voltage, phase B Red Low voltage, phase B Low voltage, phase A Sheath, 415 V 3 phase Blue Low voltage, phase C Low voltage, phase C Low voltage, neutral Sheath, 230 V Brown
The von Luschan scale was used to establish racial classifications of populations according to skin color; in this respect it is in contrast to the Fitzpatrick scale intended for the classification of the skin type of individuals introduced in 1975 by Harvard dermatologist Thomas B. Fitzpatrick to describe sun tanning behavior.
Pertains to electronic components that control or provide an electrical resistance to circuits. Pages in category "Resistive components" The following 33 pages are in this category, out of 33 total.
They are mostly used in flight training, because these flight computers have been replaced with electronic planning tools or software and websites that make these calculations for the pilots. These flight computers are used during flight planning (on the ground before takeoff) to aid in calculating fuel burn, wind correction, time en route, and ...
Online version of Chart No.1 with "Symbols, Abbreviations and Terms" used in nautical charts; Portolan Chart of Gabriel de Vallseca, 1439; The short film "Reading Charts (April 6, 1999)" is available for free viewing and download at the Internet Archive. Nautical charts available online (Nautical Free) Online Nautical Charts Viewer
A traditional depiction of the chariot vision, based on the description in Ezekiel, with an opan on the left side. The ophanim (Hebrew: אוֹפַנִּים ʼōp̄annīm, ' wheels '; singular: אוֹפָן ʼōp̄ān), alternatively spelled auphanim or ofanim, and also called galgalim (Hebrew: גַּלְגַּלִּים galgallīm, ' spheres, wheels, whirlwinds '; singular: גַּלְגַּל ...
The Kingdom of the East Angles (Old English: Ēastengla Rīċe; Latin: Regnum Orientalium Anglorum), informally known as the Kingdom of East Anglia, was a small independent kingdom of the Angles during the Anglo-Saxon period comprising what are now the English counties of Norfolk and Suffolk and perhaps the eastern part of the Fens, [1] the area still known as East Anglia.