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| elevating sight (elevating sight – The rear-sight of a small-arm, arranged to give varying heights of sight for different ranges. There are a variety of forms. The leaf-sight has a number of hinged leaves of different lengths. The one now used in the U. S. army has one hinged leaf. Up to 500 yards, the elevation is given by moving the sighting-piece up a curved incline. Above 500 yards, the leaf is turned up to the perpendicular. ABelonogov) | |||