The second-order theodolite was made in 1980 and represents the pinnacle of Zeiss theodolite technology. The color and shape are typical of Zeiss instruments of the last era of optical instruments. The instrument has full functionality and is extremely structurally stable. The optical plummet, centric alidade toric level, compensator and repetition screw simplify the measuring process. The method of reading on circles with the coincidence of the diametral points of the circle division by means of a wedge optical micrometer provides the measurement resolution of 1''.
Carl Zeiss Jena Theodolite Theo 010a Or Theo 010b Pdfl
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