Helmet Diving
Charles and John Deane were the inventors of the diving helmet. Diving helmets are worn mainly by professional divers engaged in surface supplied diving, though many models can be adapted for use with scuba equipment. The helmet seals the whole of the diver’s head from the water, allows the diver to see clearly underwater, provides the diver with breathing gas, protects the diver’s head when doing heavy or dangerous work, and usually provides voice communications with the surface (and possibly other divers). If a helmeted diver becomes unconscious but is still breathing, the...
read more