mixed gas diving

Pot Luck

Some fifty-years ago, we were out in the North Sea working on a production platform built alongside the drill platform, the two being connected by a narrow catwalk between the drill deck and production deck of the two platforms, at… Read More ›

Finding ‘AFFRAY’

On 16th April, 1951 HMS/M AFFRAY, disappeared while on a training exercise in the English Channel. Failing to make her scheduled radio report, the search for the sunken submarine continued for over three months in an area rich in wrecks…. Read More ›

“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 ›