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> U.s. navy brass telescopic alidade-kollmorgen optical
U.s. navy brass telescopic alidade-kollmorgen optical
U.S. NAVY BRASS TELESCOPIC ALIDADE-KOLLMORGEN OPTICAL
(engineering) An alidade used with a plane table, consisting of a telescope mounted on a straightedge ruler, fitted with a level bubble, scale, and vernier to measure angles, and calibrated to measure distances.
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