mixed gas diving

“Oxygen Pete”

Inspired by the successful 1941 attacks – carried out by Italian divers riding ‘chariots’ armed with detachable explosive warheads – on the British battleships, ‘H.M.S.Queen Elizabeth’ and ‘H.M.S.Valiant’, in Alexandria Harbour, the Royal Navy began to devote greater resources to… Read More ›

The Conshelf 1 Experiment

“Under water man shall walk, Shall ride, shall sleep, shall talk”:  Prediction by Mother Shipton; 16th century prophetess  Increasing the efficiency of working divers, Dr George Bond’s concept of saturation diving (a concept in which divers would live and work… Read More ›

Hydrogen in the Mix

In the early part of the 20th century, American physicist and chemist, Professor Elihu Thomson – the person credited with putting the eventual use of helium on the diving menu – had originally proposed the use of hydrogen as a… Read More ›

The Search for X5

Developed by the Royal Navy during WWII, the X-craft were midget submarines manned by a crew of four – one of whom was the designated diver.  Because of their limited range, the smaller X-Craft would be towed by a ‘mother’… Read More ›

The Fundamentals Of Better Diving

Hopefully everybody who dives has—at some point in their training—pored over the pages of a “How To” manual in an attempt to better understand the underlying physics and physiology governing their safe enjoyment of diving, and the techniques that, when… Read More ›