Device for controlling spotlights from a long distance

A device for managing spotlights from a long distance: No. 25677. Supponent.03/22/1912.Issuance on 12/17/1913 / "Shuckert and K".- [B.M .: B. and., 1913].-3 p., 1 l.Il .. -Description of the device for controlling spotlights from distant distance.To the privilege of the Russian Society of Shuckert and Co., in the city of St. Petersburg, stated on March 22, 1912 (og. St. No. 52254).Class 21f.No. 25677. The privilege issued on December 17, 1913..I. "Shuckert and Co.", Society (Petersburg) .1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS