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Diagram of the Proto breathing apparatus set, WW2
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Diagram of the Proto breathing apparatus set, WW2
Exploded diagram of the Mark IV Proto (oxygen) breathing apparatus set, showing its working parts
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Media ID 7638017
© London Fire Brigade / Mary Evans Picture Library
1942 Apparatus Breath Breathing Diagram Exploded Mark Oxygen Parts Proto Firefighter Firefighters Firefighting Fireman Firemen
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EDITORS COMMENTS
1. Title: Explored and Explained: The Mark IV Proto Breathing Apparatus Set of the London Fire Brigade during World War II 2.. This exploded diagram showcases the intricate workings of the Mark IV Proto breathing apparatus set, an essential piece of equipment used by the London Fire Brigade during the tumultuous 1940s. Dating back to 1942, this oxygen-powered apparatus was a vital tool in the firefighting arsenal during the intense and perilous battles against the flames that ravaged London and other cities during World War II. 3. Background: The Mark IV Proto breathing apparatus set was a significant improvement over its predecessors, providing firefighters with a more reliable and efficient means of supplying them with oxygen during prolonged firefighting operations. The set consisted of several components, including the cylinder, regulator, mask, and hose, all of which are illustrated in meticulous detail in this diagram. 4. Functionality: The diagram reveals how the various parts of the apparatus worked together to deliver life-saving oxygen to the firefighter. The cylinder, filled with compressed oxygen, supplied the gas through a regulator that controlled the flow and pressure. The mask, fitted with a one-way valve, allowed the firefighter to breathe in the oxygen while preventing the escape of exhaled air. The hose connected the mask to the cylinder, allowing the firefighter to move around while wearing the apparatus. 5. Significance: The Mark IV Proto breathing apparatus set was a testament to the ingenuity and resourcefulness of the London Fire Brigade during World War II. It allowed firefighters to work in hazardous environments for extended periods, increasing their effectiveness and reducing the risks they faced. This diagram provides a fascinating glimpse into the inner workings of this crucial piece of equipment, shedding light on the vital role it played in the firefighting efforts during the war.
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