Caption: "This instrument detects the presence of shells or other metal buried in the soil, thereby enabling the farmer to remove them before tilling a field".
Caption: The drawing shows graphically the theory of the proposed aerial-patrol service for our coasts, which, if established as now contemplated, would guard every mile of shore line from Maine to Puget sound and greatly strengthen our defenses".
Caption: "This shows an armored motor car, used by the Allies and painted to look like a small brick building, after it had been discovered by German gunners and temporarily disabled".
Caption: "Tens of thousands of shells rained against the German positions before the French commenced their spectacular rush. This pictures one of the heavy artillery pieces in action during the protracted bombardment which lasted for many hours".
Caption: "Shower bath of ingenious, though comical, construction, which was used by French soldiers in one of the camps at the front until cold weather set in".
Caption: "This is a plan for using the bayonet scabbard for supporting the muzzle of the gun. For this purpose a leg is pivoted to the scabbard, and a lug and curved link are provided for attaching the scabbard to the gun barrel".
Caption: "This model city, built on a slope of a papier-mache mountain, is protected by a miniature fortress equipped with batteries of disappearing guns. Warships and merchant vessels moored in harbor may communicate with garrison commander via wireless".
Caption: "French trench equipped with barbed wire doors palced 100 yards apart. If the enemy gets into the trench the doors are locked to impede progress".