The Sladen Suit was a heavy type of British divers' drysuit made by Siebe Gorman. A dry suit or drysuit provides Thermal insulation or passive thermal protection to the wearer while immersed in water and is worn by divers, Siebe Gorman & Company Ltd was a British company which developed Diving equipment and breathing equipment and worked on Commercial diving and Marine It is entered by a wide rubber tube at the umbilicus: this tube is folded and tied off before the diver dives. It was used by British manned torpedo riders and for general underwater work. Human torpedoes or manned torpedoes were secret naval weapons of World War II.
Its first make had two small eyeholes. It was redesigned with the big oval flip-up so the wearer could get binoculars to his eyes. Binocular telescopes, or binoculars (also known as field glasses are two identical or Mirror - symmetrical telescopes mounted side-by-side and
There was an oxygen rebreather called the "Universal" that was designed to be used with it. A rebreather is a type of Breathing set that provides a Breathing gas containing Oxygen and recycled exhaled gas The Universal was a long-dive derivative of the Davis Submerged Escape Apparatus. The Davis Submerged Escape Apparatus (also referred to as DSEA was an early type of Oxygen Rebreather invented in 1910 by Sir Robert Davis, head of