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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.
American soldiers wearing M2 gas masks in a frontline trench (1919 postcard image) The M2 gas mask was a French-made gas mask used by French, British and American forces from April 1916 to August 1918 during World War I. [1] The M2 was fabricated in large quantities, with about 29,300,000 being made during the war. [2]
[10] 2.5 million masks were manufactured before being superseded. The helmet was a 50.5 cm × 48 cm (19.9 in × 18.9 in) canvas hood treated with chlorine-absorbing chemicals, fitted with a single rectangular mica eyepiece. [11] [a] It was a khaki-coloured flannel bag soaked in a solution of glycerin and sodium thiosulphate. The soldier placed ...
Earlier versions of the gas mask prior to 1915s development of the small box respirator were crude and ineffective as no troops had yet experienced poison warfare. One of the first gas masks seen in the early part of the war was the British hypo helmet, after recent failure and ineffectiveness of the black veil respirator. The helmet was ...
After the conclusion of World War II, U.S. military researchers obtained formulas for the three nerve gases developed by the Nazis—tabun, soman, and sarin.. In 1947, the first steps of planning began when Dr. Alsoph H. Corwin, a professor of chemistry at Johns Hopkins University [4] [5] wrote the Chemical Corps Technical Command positing the potential for the use of specialized enzymes as so ...
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 ...
NYU Langone patient Aaron James underwent the first whole-eye and partial-face transplant following a near-death electrocution in 2021. Here, James is seen on Aug. 13, 2024. NYU Langone Health
Socially, it was the FWD company that employed Luella Bates, believed to be the first female truck driver, chosen to work as test and demonstration driver for FWD, from 1918 to 1922. [55] [93] During World War I, she was a test driver traveling throughout the state of Wisconsin in an FWD Model B truck. After the war, when the majority of the ...