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DESCO is an underwater diving equipment maker which was first organized in 1937 in Milwaukee, Wisconsin as Diving Equipment and Salvage Co.

It was founded by:-

Browne and Nohl designed a lightweight heliox diving suit.

On 1 December 1937 in Lake Michigan, Max Nohl dived to 420 feet (130 m) with DESCO equipment, breaking the previous record of 344 feet (105 m) set by British divers in 1930.[1]

In World War II DESCO made hardhat diving gear and oxygen rebreathers for the US Navy. DESCO continues in business in Milwaukee. They produce various models of diving helmets, and related diving gear, and represent Hunter Drysuits, Composite Beat Engel DeepSea helmets, and Broco Welding.

The DESCO "air hat", introduced in 1968, is still manufactured and is popular among air divers and particularly those working in contaminated environments; its free-flow, positive-pressure design affords an extra safety margin when contaminants are present. As compared to demand helmets, the air hat is simple and inexpensive to operate and maintain.


  1. ^ Kane, John R (March 1998). "MAX E NOHL AND THE WORLD RECORD DIVE OF 1937" (PDF). SPUMS Journal. South Pacific Underwater Medicine Society. 28 (1): 56–59. Retrieved 1 January 2017. 

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