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This is a telephone operator's gas mask issued during World War II. From 1938 operators working for the General Post Office were supplied with specially adapted gas masks that incorporated both an ear piece and an integral microphone. In the event of a gas attack, the operators would have been able to maintain telecommunications vital to the war effort.
Not every record in Collections Online is complete. Some have low quality images designed purely for recognition, while some have been catalogued only to a basic standard. This graphic is designed to give you an impression of the quality of data you can see. 100% meets all our current data standards and has a high quality image, 20% is a basic record with no image. Individual record quality can change over time as new photography is carried out and records are worked on.X