https://peertube.dngr.us/videos/watch/5f51ece6-510e-4edc-b35b-efd2dfe3b700 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. Motion picture films don't last forever; many have already been lost or destroyed. We collect, scan and preserve 35mm, 16mm and 8mm movies -- including home movies, industrial films, and other non-fiction. If you have films you'd like to have scanned or donate to Periscope Film, we'd love to hear from you. Contact us via the link below. 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 http://www.PeriscopeFilm.com Source: https://www.youtube.com/watch?v=HRV-lqOVdc0 Mirrored from Periscope Film (https://www.youtube.com/@PeriscopeFilm) Fri, 12 Jun 2026 03:23:13 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.dngr.us https://peertube.dngr.us/lazy-static/avatars/41a6fee9-7f57-42d0-a5fc-5db4f1af2e31.png https://peertube.dngr.us/videos/watch/5f51ece6-510e-4edc-b35b-efd2dfe3b700 All rights reserved, unless otherwise specified in the terms specified at https://peertube.dngr.us/about and potential licenses granted by each content's rightholder.