 The basement contains the gunner 's mess , canteen , No. 1 ancillary store , <unk> and officer 's kitchen . The canteen sold everyday <unk> as well as a few items like <unk> , <unk> and tobacco to the stationed troops . <unk> from the canteen were used to fund sporting equipment for the garrison . The <unk> ancillary store was used for various pieces of delicate equipment , fuses , friction tubes and rockets . In 1887 an explosion in the room caused a number of injuries , damage to the store and to the above officer 's quarters . The barracks room and officer 's quarters are connected with a door , probably added in the 1930s as it is not part of the original plans . The barracks room accommodated approximately 20 men . For display purposes it is outfitted as for similar period barracks . 
