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Valves used in WWI German submarine

8441846768 1e00b83513This image shows manhole to periscope wall, valve wheels for flooding and blowing. Handwheels for periscope gear, air pressure gauges. (Photo courtesy Tyne & Wear Archives & Museums)Two photos taken in November of 1918 show the inside of a UB-110 German Submarine. The valves shown were used to control the submarine. The reverse image is of four torpedo tubes used against a merchant ship in July 1918.

Source: Gizmodo

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