32+ Helmet Diving Apparatus Gif. The diving helmet museum has over 500 diving helmets and much more on display! Desco provides you with a variety of carefully crafted superior quality diving helmets.
Navy diver hard hat diving commercial diver helmet patch.
It is very similar to diving. Diving helmets are worn mainly by professional divers engaged in surface supplied diving, though many models can be adapted for use with scuba equipment. Deep sea diving helmets for your next underwater adventure. It is chained or otherwise affixed to a ballast weight to counter the positive buoyancy of the air trapped inside the helmet.