Spear head found in Gotland, Viking age, Sweden. Leaf-shaped spear heads were a widely spread design throughout the world. Notice the "wings" on the barrel, it is assumed that they were supposed to prevent the weapon from thrusting too deep.
AIRCRAFT FIRST WORLD WAR 1914-1918 (Q 68134) A De Havilland DH 9A two-seat day bomber, 1918. DH 9As first entered service with No. 110 Squadron, Royal Air Force, in June 1918 and remained in service until 1931.