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Diving Helmet - Сток картинки - iStock
Standard diving dress also known as hard-hat or copper hat equipment, or heavy gear is a type of diving suit that was formerly used for all relatively deep underwater work that required more than breath-hold duration, which included marine salvage , civil engineering , pearl shell diving and other commercial diving work, and similar naval diving applications. Standard diving dress has largely been superseded by lighter and more comfortable equipment. Standard diving dress consists of a diving helmet made from copper and brass or bronze , an air hose from a surface-supplied manually operated pump or low pressure breathing air compressor, a waterproofed canvas suit, a diving knife , and weights to counteract buoyancy , generally on the chest, back and shoes. Some variants used rebreather systems to extend the use of gas supplies carried by the diver, and were effectively self-contained underwater breathing apparatus, and others were suitable for use with helium based breathing gases for deeper work. Divers could be deployed directly by lowering or raising them using the lifeline, or could be transported on a diving stage. Most diving work using standard dress was done heavy, with the diver sufficiently negatively buoyant to walk on the bottom. Standard diving dress is also sometimes known in the US as a Diver Dan outfit from the television show of the same name.
Vintage Dive Equipment
Schrader whips with different dates from before and during WW II. Marked: Divers H. WW2 date: marked on these vintage, original Schrader whips. Brand new, never used, some unpolished.
Genuine, heavy duty World War II vintage, solid bronze air inlet valve used by hard hat divers to regulate the amount of incoming air they received. Such apparatus was crucial to stabilize both the diver's breathing and his buoyancy. This heavy, precision-cast bronze relic consists of a 5-pointed handle leading to a gooseneck which connects to the surface airline hose. The opposite end was connected by a short length of hose to the helmet inlet air gooseneck itself. The original all brass clip for attachment to the helmet is still present.