Leaflet - 'The Fitting of the Civilian Respirator'; World War II; 1939-1945; Alternative Name(s): Gas Mask Fitting Two-sided leaflet describing how to put on; fit correctly; test and remove a 'civilian respirator'. The provenance of the leaflet is unknown; but its appearance clearly suggests it dates from the World War II era. Concern about a possible Japanese invasion heightened in late 1941-early 1942. A range of activities and processes were devised in the subsequent