THEORETICAL BASES OF THE AUTOREDUCING RANGE FINDER DAR-100,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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The double-image DAR-100 range finder former designation DAR-100 m consists of an attachment on the telescope of a theodolite it includes a wedge-shaped autoreduction system and the lens of a telescopic micrometer, and a vertically installed range rod with hachured scale and reverse vernier. Below are briefly outlined the basic theoretical information necessary for correct understanding of the new principle of automatic reduction applied in the DAR-100 range finder the essence of the operation of its telescopic micrometer.