From Wikipedia, the free encyclopedia

A Mark IV Amphibian is an early model of British naval oxygen rebreather made by Siebe Gorman. It was arranged like a UBA, but its oxygen cylinder is smaller. It was so called because it could be used for diving, or as an industrial breathing set on land.

External links

From Wikipedia, the free encyclopedia

A Mark IV Amphibian is an early model of British naval oxygen rebreather made by Siebe Gorman. It was arranged like a UBA, but its oxygen cylinder is smaller. It was so called because it could be used for diving, or as an industrial breathing set on land.

External links


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