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The Zelinsky-Kummant gas mask was the world's first gas mask [1] which had the ability to absorb a wide range of chemical warfare agents. The gas mask was developed in 1915 by Russian chemist Nikolay Zelinsky and technologist of the Triangle plant M.I. Kummant. [2] The design was later improved by I. D. Avalov and entered mass production.
Right: Lieutenant Tuzhov, Lieutenant Colonel Chudinov. 1916 67th Infantry Division. 1916 Soldiers of the regiment wearing Zelinsky-Kummant gas masks, 1916 The 267th Dukhovshchinsky Infantry Regiment ( Russian : 267-й пехотный Духовщинский полк ) was an infantry regiment of the Imperial Russian Army .
Zelinsky–Kummant gas mask Hell–Volhard–Zelinsky halogenation Nikolay Dmitriyevich Zelinsky ( Russian : Николай Дмитриевич Зелинский ; Ukrainian : Микола Дмитрович Зелінський , romanized : Mykola Dmytrovich Zelinskyy ; 6 February [ O.S. 25 January] 1861 – 31 July 1953) was a Russian and ...
A World War I British P Helmet, c. 1915 Zelinsky–Kummant protivogaz, designed in 1915, was one of the first modern-type full-head protection gas masks with a detachable filter and eyelet glasses, shown here worn by U.S. Army soldier (USAWC photo) Indian muleteers and mule wearing gas masks, France, February 21, 1940 A Polish SzM-41M KF gas mask, used from the 1950s through to the 1980s
Gas mask, WWI. The P helmet, PH helmet and PHG helmet were early types of gas mask issued by the British Army in the First World War, to protect troops against chlorine, phosgene and tear gases. Rather than having a separate filter for removing the toxic chemicals, they consisted of a gas-permeable hood worn over the head which was treated with ...
The men’s world No. 1 will be banned from February 9 to May 4 after twice testing positive for banned substance Clostebol in March 2024, meaning that he will be eligible to play in the French ...
The PAC-MANN test was able to differentiate — 98% of the time — between the blood of someone with pancreatic cancer and the blood of someone who doesn’t have the disease. When used alongside ...
The biomarker test is a spinal tap test (also called a lumbar puncture) that uses a needle to remove cerebrospinal fluid (i.e. the fluid inside your spine) to look for these specific clumping ...