William Hogarth Main
Videos
William "Bill" Hogarth Main is a cave diving pioneer who is best known as a developer in the 1980s, and the namesake of, the "Hogarthian gear configuration" that is a component of the "Doing It Right"
Preparing for a cave dive.
Gas blending for scuba diving is the filling of diving cylinders with non-air breathing gases such as nitrox, trimix and heliox. Use of these gases is generally intended to improve overall safety of t
William Hogarth Main
…the things we needed that didn't exist." Following a challenging dive, Main decided with fellow diver Bill Gavin that all WKPP deep dives would be on mixed gas. Main, along other members of the WKPP such as Lamar English, George Irvine, and Jablonski all cultivated the idea that there was an ideal equipment…
Air, oxygen and helium partial pressure gas blending system
Nitrox continuous blending compressor installation
Regulators supplying a controlled flow of oxygen and helium to a continuous blending system for trimix or nitrox
Trimix gas analyser showing oxygen and helium partial pressures