"Firing a 4.7 inch gun" by Leslie Oliphant, Date unknown

Catalogue ref: INF 3/813

A gloomy image of a warship's gun crew firing a 4.7 inch gun, surrounded by a pall of smoke, with another warship visible in the background. The crew appear to be wearing gas masks, either as part of a drill or to combat the excessive smoke and fumes from the weapon.