Underwater world; exploration under the surface of the sea
By: by C. B. Colby.
Publisher: Coward-McCann
Published: 1966
Place of publication: New York
Language: eng
Number of pages: 48
Subjects: Underwater exploration.; Deep diving.; Underwater exploration.; Deep diving.
Description: Discusses skin diving equipment, tells what artifacts can be found under the sea and what can be learned from them, and describes several of the new undersea vehicles. Illustrated with photographs.