Underwater fencing mine with an automatically adjustable device for its explosion

Underwater bar of fence with an automatically adjustable device for its explosion: No. 28310. Declared.09/11/1913.Issue 12/25/1915 / "Vickers".- [B.M .: B. and., 1915].-[2] p., 1 l.Il .. -Description of an underwater fencing mine with an automatic adjustable device for explosion.The privilege of the British company Vickers with Limited Limited, in London, declared on September 11, 1913 (okhr. St. No. 59690).Class 65D.No. 28310. The privilege issued on December 25, 1915.Ex.: With a handle.litter..I. Vickers, company (London) .1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS