| Found in | Dr. Cluny Macpherson (1879-1966) : reflections of a Newfoundlander : a virtual exhibit (Web site), 2005: (Dr. Cluny Macpherson, 1879-1966) Biographical sketch (Served in World War I as medical officer for the 1st Newfoundland Regiment. While serving as an advisor on poisonous gas at Gallipoli, he used a German helmet taken from a captured prisoner to fashion a canvas hood with transparent eyepieces that was treated with chlorine-absorbing chemicals. In doing so, he invented the gas mask, predecessor to those now used.)
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