J. Peress' 1-atm dive suit, Tritonia, explored the Lusitania wreck in 1935. Jim Jarrett was Peress's chief diver and made this dive to 312 feet. This suit was a precursor to the "Jim" suit, named for Jim Jarrett.

From NOAA Photo Library
Image ID: nur06017, National Undersearch Research Program (NURP) Collection
Credit: OAR/National Undersea Research Program (NURP)
Source: http://www.photolib.noaa.gov/nurp/nur06017.htm

In 1935, a diver wearing a 1 atmosphere diving suit (a suit which maintained an internal pressure of one atmosphere -- the same pressure as at the surface of the ocean.) developed by J. Peress, is about to explore the wreck of the Lusitania. Alternate source.

This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties. العربية ∙ čeština ∙ Deutsch ∙ Zazaki ∙ English ∙ español ∙ eesti ∙ suomi ∙ français ∙ hrvatski ∙ magyar ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ മലയാളം ∙ Plattdüütsch ∙ Nederlands ∙ polski ∙ português ∙ română ∙ русский ∙ sicilianu ∙ slovenščina ∙ Türkçe ∙ Tiếng Việt ∙ 简体中文 ∙ 繁體中文 ∙ +/−