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Captain Cluny Macpherson: Developing Protective Equipment for Gas Warfare

This article was originally written and submitted as part of a Canada 150 Project, the Innovation Storybook, to crowdsource stories of Canadian innovation with partners across Canada. The content has since been migrated to Ingenium’s Channel, a digital hub featuring curated content related to science, technology and innovation.

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Jun 30, 2016
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Profile picture for user Musée canadien de la guerre
By: Canadian War Museum
Doctor Cluny Macpherson: Courtesy of The Rooms Corporation of Newfoundland and Labrador
Doctor Cluny Macpherson: Courtesy of The Rooms Corporation of Newfoundland and Labrador

After the Germans launched the first chemical gas attack of the First World War, in April 1915, at the Second Battle of Ypres, Allied commanders recognized the urgent need to devise countermeasures to protect soldiers from exposure to poison gas.

The Hypo helmet, a chemically treated bag that offered protection against chlorine gas, was developed later that year by Captain Cluny Macpherson, the Chief Medical Officer of the 1st Newfoundland Regiment. Worn over the head and tucked in at the neck, it remained in place much more easily than the chemical-saturated gauze padding previously issued to troops. However, it was cumbersome and stifling, and its chemical treatment irritated soldiers’ skin and eyes.

Dr. Macpherson’s mask design became the basis for the first gas mask issued to the British Army. Protecting soldiers from blindness, burns and internal injury, the gas mask was one of the most important innovations of the First World War. Gas masks continue to be used by firefighters, soldiers, and manufacturing workers around the world.

“I have been lucky enough to devise the helmet which has proved most efficient for protecting against the gases without at all immobilizing the men.”  – Dr. Cluny Macpherson, in a letter dated 15 May 1915

A Canadian soldier wearing a PH helmet, 1915: George Metcalf Archival Collection Canadian War Museum 20050172-002-10

Hypo Helmet: Courtesy of The Rooms Corporation of Newfoundland and Labrador 980.222

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Canadian War Museum
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The Canadian War Museum is Canada’s national museum of military history and one of the world’s most respected museums for the study and understanding of armed conflict.

The Museum traces its origins back to 1880, when it consisted primarily of a collection of militia artifacts. The Museum opened at its new location on the LeBreton Flats site in downtown Ottawa on May 8, 2005. Its opening not only marked the 60th anniversary of the end of the Second World War in Europe (V-E Day) but also the 125th anniversary of the Museum itself. Since its opening in 2005, the Museum has welcomed approximately 500,000 visitors every year.

https://www.warmuseum.ca

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