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Rangefinder: Quiz


Question 1: A rangefinder is a device that measures distance from the observer to a target, for the purposes of surveying, determining focus in ________, or accurately aiming a weapon.
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Question 2: Range-Finding in the Army / How to use range-finders to get results: the erect and inverted types, ________ monthly, February 1919, page 118-120, Scanned by Google Books
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