Author: Averill, Harry
Title: Spare Air User's Guide
Description: Huntington Beach: Submersible Systems, Inc., 1988. Paper bound, stapled grey wrappers, illustrated, Pp28. Minor stain top of front cover at spine else a very good or better copy. Scarce! We welcome all reasonable offers on our books.

Keywords: Out-of-Air Emergencies, Alternative Air Sources Diving, Dual Orifice Valves, Pony Bottles, Air Bottle Bcs, Using Spare Air Under Water, Pre-Dive Checklist, Safety Diving Manual


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