A visual pipe rotating in a horizontal plane with a horizontal or inclined line of visualization

A visitor rotating in a horizontal plane for a sight with a horizontal or inclined line of visualization: No. 23920. Declared.05/30/1907.Issues 04/30/1913 / "Karl Zeiss".- [B.M .: B. and., 1913].-6 p., 1 l.Il .. -The description of a visitor rotating in a horizontal plane for a sight with a horizontal or inclined line of visualization.To the privilege of a foreign company "Carl Zeiss" (Carl Zeiss), in the city of Jena, in Germany, declared on May 30, 1907 (okhr. St. No. 32597).(Based on Article 198.16, the trips, respectively, the term of the German patent for No. 165641, the action of this privilege extends not more than March 13, 1919).Class 42. No. 23920. Proposal issued on April 30, 1913.Ex.: With a handle.litter..I. Zeiss Karl, company.Yena 1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS