Alverstoke near Portsmouth, Hampshire.
At the Royal Naval Physiological Laboratory's deep trial unit, we see frogmen of the Navy's Scientific Service going into a deep dive simulator. The compression chamber recreates the natural hazards the men will encounter in a real deep sea dive.
Inventor tries out his new deep sea diving suit.
US Navy carry out deep sea diving experiments and a three-wheeled steam car is tried out.
Deep Sea diving off the coast of Boston in the United States of America.
Material relating to newsreel story "Dakar - World's Record Deep Sea Dive" - 54/16.
Two French naval officers break a world record in deep sea diving in their bathyscaph.
Experiments in deep sea diving at Royal Naval Physiological Laboratory.
US navy divers practise in royal navy's deep sea diving simulator. Gosport, Hampshire.