Lens for Galileeva visual pipe

Lens for Galileeva visual pipe: No. 23770. Supponent.02/22/1910.Issue 03/30/1913 / "Karl Zeiss".- [B.M .: B. and., 1913].-[2] p., 1 l.Il.: table .. -Description of the lens for Galileeva visual pipe.To the privilege of a foreign company "Carl Zeiss" (Carl Zeiss), in the city of Yen, in Germany, declared on February 22, 1910 (og. St. No. 42669).Class 42. No. 23770. The privilege issued on March 30, 1913..I. Zeiss Karl, company.Yena 1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS