backsight

English - Turkish

Definition of backsight in English Turkish dictionary: {i} gez [ask.]; {i} geri gözlem; gez
backsight method: (Askeri) KARŞILIKLI TANZİM USULÜ: İki aleti, istikamet ve yükseliş bakımlarından birbirine uydurmak ve senkronize etmek üzere, direkt olarak birbirine nişan aldırma usulü

English - English

Definition of backsight in English English dictionary: A measurement or reading taken back towards a point of known elevation, used to calculate the height of the theodolite; A measurement of a previously shot point, used to set the angle to zero when occupying a new position; The rear sight of a firearm; To shoot a backsight; Foresight, n; In levelling, the first reading taken on a staff after setting up the Level A backisight is always taken on a point of known or assumed height; Cf; The reading of the leveling staff in its unchanged position when the leveling instrument has been taken to a new position; a sight directed backwards to a station previously occupied; A backsight is a reading taken on a position of known coordinate(s) Since a survey progresses from a point of known position to points of unknown position, a backsight is a reading looking "backward" along the line of progress; {i} rear sight on a firearm; (in leveling) reading on a rod which is held on a point of known elevation; A rod reading taken on a point of known elevation, a benchmark or a turning point Backsights are added to the known elevation to arrive at the height of the instrument With a known height of the instrument, the telescope can be used to determine the elevation of other points in the vicinity
blow a backsight: To occupy a point, then enter the wrong point for the backsight, or forget to enter the backsight

backsight

Hyphenation

back·sight

() From the back + sight

History

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