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Pisces III 410 ft down in the North Sea. Taking a break whilst surveying the Shell FLAGS gas pipeline in Pisces III submersible.	Experimental dive 1500ft Respiration experiment (MoD Navy) at 450 metres.	Stealth rebreather Military, mixed gas, closed circuit, rebreather, evaluation dive.	Shell Brent Bravo Emergency escape breathing apparatus trial on Shell Brent Bravo platform, North Sea.	Oxygen rebreather Hyperbaric oxygen tolerance experiment, Portsmouth Fire Brigade.

Deep sea helmet Demand helmet evaluation trial.	Return line system Evaluation of the Normalair return line breathing system.	Return line system Picture 2	Surface supplied equipment SSDE equipment, Royal Navy Ships Diver Officer course.	Free-flow helmet Evaluation of the Divex free-flow diving helmet.

SCUBA diving	Deep sea helmet Traditional hard hat equipment evaluation. Danish, Hansen, 2-bolt helmet.	Return Line system	Comex band mask Evaluation trial of surface supplied band mask.	Through-water communications Evaluation of Subcom through-water communication system

Aquadyne demand helmet Evaluation of an Aquadyne demand diving helmet	SCUBA dive Site survey for a proposed underwater living experiment at 100 ft, Oban, Scotland	SCUBA dive Survey of wreck site of HMS Royal George in the Solent