"A Whippet Tank - the Experimental Ground, Dollis Hill, London, N.w." image: a light Whippet Tank, shown side on and facing left, being winched by a heavy tank. A man stands on the Whippet Tank behind the turret supervising the winching operation. In the left background another tank stands on the rough ground. A group of men walk from left to right in the middle distance, with trees lining the hills on the horizon.