U.S. Navy Diving Manual Volume 1 General Principles of Diving NAVSHIPS 250-538

Originally published by the U.S. Navy as a training text for Underwater Demolition Team (UDT) members, deep sea divers and frogmen, this Diving Manual is an indispensible reference for anyone interested in exploring the depths. Volume 1 presents the general principles of diving including underwater physics, physiology, basic procedures, hazards, safety, and technical information. Volume 2 (sold separately) presents information about surface supplied and scuba diving. This historical book is a carefully created copy of NAVSHIPS 250-538, originally created during WWII and revised periodically.