British Airborne medical equipment. The chrome tubular tin to the left is marked Boric Acid, used as an antiseptic but could also be used as an insecticide. At the top left is a glass plasma bottle, to the right a three-burner steriliser to clean instruments. To the far right is a small amputation saw. The khaki and yellow flat roll at the bottom is a Canadian tourniquet. Copyright: Andrew Cummings.