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The Black Veil Respirator. The German army used chlorine as a poison gas for the first time against Allied troops at the Second Battle of Ypres on 22 April 1915. [1] As an immediate response, the British began issuing cotton wool wrapped in muslin to its troops by 3 May. [2] This was followed by the Black Veil Respirator, invented by John Scott ...
The Maddox rod test can be used to subjectively detect and measure a latent, manifest, horizontal or vertical strabismus for near and distance. The test is based on the principle of diplopic projection. [1] Dissociation of the deviation is brought about by presenting a red line image to one eye and a white light to the other, while prisms are ...
2006–present. Specifications. Weight. 1.9 lbs (M50) The M50 series protective mask, officially known as the Joint Service General Purpose Mask ( JSGPM or JSGPM/M50 ), is a lightweight, protective mask system consisting of the mask, a mask carrier, and additional accessories. It was adopted by the U.S. military in 2006 and is manufactured by ...
A typical industrial-grade gas mask for hazardous chemicals and dust 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 ...
July 2, 2024 at 7:30 AM. toys-with-bpa-obesity-in-dogs parade pets. Dog parents, there's new research that indicates there may be a link between obesity in dogs and material found in some plastic ...
Pages in category "Gas masks" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. * Gas mask; B. Black Veil ...
M17 gas mask. M40 field protective mask. MCU-2/P protective mask. Categories: Military equipment of the United States.
James Bert Garner. James B. Garner at age 45 around the time he invented the gas mask. Two associates of James Bert Garner wearing his original gas masks. James Bert Garner (September 2, 1870 – November 28, 1960) was an American chemical engineer and professor at the Mellon Institute of Industrial Research from 1914 until his retirement in 1957.