Made in 1960, this educational film shows the efforts in this era used to explore the underwater world. Compressed air SCUBA tanks and gear are seen at the 1:00 mark. The bathyscaphe Trieste, operated by the Navy’s Electronic Laboratory is shown at the 3:30 mark, and its principles of operation shown. The Scripps Oceanographic Institution’s ship Horizon is shown at the 7:00 mark, and Echo sounders and clam-jawed buckets are shown at work. The film also shows underwater maps and an ocean model at the 10:30 mark. We encourage viewers to add comments and, especially, to provide additional information about our videos by adding a comment! See something interesting? Tell people what it is and what they can see by writing something for example like: “01:00:12:00 — President Roosevelt is seen meeting with Winston Churchill at the Quebec Conference.” This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD and 2k. For more information visit www.periscopefilm.com