History

The Submarine Refreshment Bar

One section of Sir Robert H Davis’ classic work, ‘Deep Diving and Submarine Operations’ is devoted to Divers’ Yarns. One such story concerns a diving operation to salvage the cargo of a sunken merchant vessel. Wearing standard diving dress, a… 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 ›

An Early ‘Try-Dive’.

A section of the classic work, ‘Deep Diving And Submarine Operations’, by (Sir) Robert H. Davis, is devoted to, ‘Divers’ Yarns And Adventures’, and includes the story of an early ‘Try-Dive’ by Robert Louis Stevenson (1850 – 1894), the author… 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 ›

Bruco And The Door-Stop

Designed by Australian, Ted Eldred, the ‘Porpoise’ became the world’s first single-hose, open-circuit regulator. A major disadvantage of the early models was the lack of a mechanism to purge water from the second-stage chamber should it become dislodged from the… Read More ›