London (NFS) firefighter in breathing apparatus, WW2
Front view of the Mark IV Proto (oxygen) breathing apparatus set, showing the re-breather bag, mouthpiece, control valves and cooler
Picture No
10534760
Media ID
46849458
Size
2670px x 4000px
(3.4MB)
Credit
©London Fire Brigade / Mary Evans Picture Library
Source
London Fire Brigade Archive
Date
1942
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Breath Breather Breathing Cooler Mouthpiece Oxygen Proto Valves
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