MEASURING MARK Russian patent published in 1995 - IPC

Abstract RU 2035695 C1

FIELD: geodesy. SUBSTANCE: measuring mark has central-symmetric sighting target, having a transparent circular central member surrounded by a black ring. There are two perpendicular dashes made in the center of the sighting target. One of the dashes is made parallel to the axis of adjusting screws fastening metallic circular holder of the sighting target, having flanges of horseshoe-shaped bracket. EFFECT: enhanced accuracy of guidance by measuring angles. 2 dwg

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RU 2 035 695 C1

Authors

Firsov Nikolaj Fedorovich

Dates

1995-05-20—Published

1993-09-21—Filed