Reprint of the original 1940 edition. "The story you are about to read is a recital of my work for thirty-five years as a diver, on many types of assignments and in many kinds of circumstances and conditions. You will learn what I did; why, how, and for whom I did it. You will lean about others, associated with me in this fascinating profession, and some of their experiences. In giving you this account, in this way, I sincerely hope that I shall have...