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Only about 12,000 were made. [108] After World War II Lambertsen called his 1940-1944 rebreather LARU (for Lambertsen Amphibious Respiratory Unit) but as of 1952 Lambertsen renamed his invention and coined the acronym SCUBA (for "self-contained underwater breathing apparatus"). During the following years this acronym was used, more and more, to ...
A scuba set is characterized by full independence from the surface during use, by providing breathing gas carried by the diver. Early attempts to reach this autonomy were made in the 18th century by the Englishman John Lethbridge, who invented and successfully built his own underwater diving machine in 1715, but though the air supply was carried in the diving apparatus, it relied on surface ...
Cousteau and Gagnan were issued a patent some weeks later in 1943. [9] After the war, in 1946, both men founded La Spirotechnique as a division of Air Liquide in order to mass-produce and sell their invention, this time under a new 1945 patent, and known as CG45 ("C" for Cousteau, "G" for Gagnan and "45" for 1945). This same CG45 regulator ...
Illustration of an occupied diving bell.. The diving bell is one of the earliest types of equipment for underwater work and exploration. [10] Its use was first described by Aristotle in the 4th century BC: "...they enable the divers to respire equally well by letting down a cauldron, for this does not fill with water, but retains the air, for it is forced straight down into the water."
Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface breathing gas supply, and therefore has a limited but variable endurance. [1] The word scuba is an acronym for "Self-Contained Underwater Breathing Apparatus" and was coined by Christian J. Lambertsen in a patent ...
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 Tanks of World War I: The History and Legacy of Tank Warfare during the Great War (2017) [ISBN missing] Foley, Michael. Rise of the Tank: Armoured Vehicles and their use in the First World War (2014) [ISBN missing] Townsend, Reginald T. (December 1916). " 'Tanks' And 'The Hose Of Death' ". The World's Work: A History of Our Time: 195– 207
The World Encyclopedia of Tanks and Armoured Fighting Vehicles. London: Anness Publishing Ltd. ISBN 978-0754833512. Forty, George (1984). A Photo History of Tanks in Two World Wars. Poole: Blandford Press. Foss, Christopher F. (2002). The Encyclopedia of Tanks & Armoured Fighting Vehicles. London: Amber Books. ISBN 978-1905704-44-6. Gale, Tim ...