Naval History and Heritage Command

Naval History and Heritage Command

USN 710894 Entering the diving tank

Swiss diver, Hannes Keller, prepares to enter the diving tank at the US Naval Weapons Plant, Washington, DC in which he later submerged to a simulated depth of 700 feet. Using formulas and techniques he developed, Keller surfaced in about two and a half hours. The test was sponsored by the Office of Naval Research as part of a contract with the University of Pennsylvania. May 12, 1961.
Title: Entering the diving tank
Description: Swiss diver, Hannes Keller, prepares to enter the diving tank at the US Naval Weapons Plant, Washington, DC in which he later submerged to a simulated depth of 700 feet. Using formulas and techniques he developed, Keller surfaced in about two and a half hours. The test was sponsored by the Office of Naval Research as part of a contract with the University of Pennsylvania. May 12, 1961.
Catalog #: USN 710894
Copyright Owner: National Archives & Records Administration
Related Content
Topic
  • Boats-Ships--Amphibious Warfare Ships
Document Type
  • Photograph
Wars & Conflicts
File Formats
  • Image (gif, jpg, tiff)
Location of Archival Materials