Complex sentence: Armament and ordnance for the aircraft consisted of one 0.303 in (7.7 mm) Vickers machine gun for the pilot and one 0.303 in (7.7 mm) Lewis gun on a Scarff ring mounting for the observer.
Split into simpler sentences: Armament and ordnance for the aircraft consisted of one 0.303 in Vickers machine gun for the pilot and one 0.303 in. Lewis machine gun on a Scarff ring mounting for the observer.