A roll film negative. On board the submarine Sealion (1959) towards the end of a long refit at Portsmouth. The photographer is in the control room passage between 69 and 77 stations on the main flat looking to port, slightly forward and down from the galley door at 74 station showing locker F containing a 7.62 mm lne throwing rifle, a 1 inch pistol grenade, a grenade launcher, 5 soft nosed line throwing projectiles and 3 line throwing lines. The hatch leading down to the air conditioning machinery compartment below the main flat is in the left foreground. A vertical format negative.