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 ›

Recent Posts

  • 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 ›

  • Colour Me Blue

    Suffering for one’s art is a cross that all of us underwater photographers learn to bear.  I say “us”, because while my talents in this field have never been properly recognised, I’ve more than paid my dues in terms of… Read More ›

  • An Audience With Ho Chi Minh

    In the late ‘Eighties – before tourism to that country had taken off – Sylvia and I were granted visas to visit Vietnam, spending just over two weeks visiting Hanoi, Hue, Da Nang, Hoi An and Saigon (re-named Ho Chi… 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 ›