© IWM (Q 65494)
Display showing the development of the service gas mask during the First World War - the component parts and process of manufacture of the small box respirator.
![The development of the service gas mask during the First World War Large_000000](http://media.iwm.org.uk/ciim5/565/503/large_000000.jpg?action=e&cat=photographs)
© IWM (Q 65495)
![The development of the service gas mask during the First World War Large_000000](http://media.iwm.org.uk/ciim5/329/626/large_000000.jpg?action=e&cat=photographs)
Display showing the development of the service gas mask during the First World War - the component parts and process of manufacture of the small box respirator.
![The development of the service gas mask during the First World War Large_000000](http://media.iwm.org.uk/ciim5/565/503/large_000000.jpg?action=e&cat=photographs)
© IWM (Q 65495)
![The development of the service gas mask during the First World War Large_000000](http://media.iwm.org.uk/ciim5/329/626/large_000000.jpg?action=e&cat=photographs)