Ads
related to: us divers snorkel set for youth size 10 11
Search results
Results From The WOW.Com Content Network
In 1964, US Divers marketed an L-shaped snorkel intended to outperform J-shaped models by increasing breathing ease, cutting water drag and eliminating the "water trap". [49] In the late 1960s, Dacor launched a "wraparound big-barrel" contoured snorkel, which closely follows the surface of the wearer's head and has a wider bore to improve ...
The word SCUBA was coined in 1952 by Major Christian Lambertsen who served in the U.S. Army Medical Corps from 1944 to 1946 as a physician. [1] Lambertsen first called the closed-circuit rebreather apparatus he had invented "Laru", an (acronym for Lambertsen Amphibious Respiratory Unit) but, in 1952, rejected the term "Laru" for "SCUBA" ("Self-Contained Underwater Breathing Apparatus"). [2]
The 1950s US Divers "Marino" hybrid comprised a single snorkel mask with eye and nose coverage and a separate snorkel for the mouth. [4] Full-face snorkel masks use an integral snorkel with separate channels for intake and exhaled gases theoretically ensuring the user is always breathing untainted fresh air whatever the respiratory effort.
United States Navy Divers (non-combat divers) – ship husbandry, underwater construction, harbor clearing (except for explosive ordnance), salvage and other "underwater work". [4] United States Navy SEALs – All trained as Combat Swimmers/Divers. The primary dive teams of the SEALs called SDV Teams use SEAL Delivery Vehicle to carry out ...
Diving equipment. Diving equipment, or underwater diving equipment, is equipment used by underwater divers to make diving activities possible, easier, safer and/or more comfortable. This may be equipment primarily intended for this purpose, or equipment intended for other purposes which is found to be suitable for diving use.
SSI TXR - Scuba Schools International – Recreational scuba and freediving training and certification agency. SwedTech Diving - SwedTech Diving [citation needed] UTD - Unified Team Diving. NASE - National Academy of Scuba Educators – Recreational scuba training and certification agency. ITDA - International Technical Diving Agency [citation ...
Ad
related to: us divers snorkel set for youth size 10 11