U.S. Army Air Corps PT-3 aircraft being used to control pest in Fresno, California. Two consolidated PT-3 aircraft on a field as a man in the foreground speaks about the usage of PT-3 aircraft equipped with dust mechanism to dust sulfur on crops to control pest. He explains how crop dusting works. Men load sulfur in the aircraft. PT-3 aircraft dusts sulfur on a vineyard as it emits a smoky trail.
The 10th annual National air races in Chicago, Illinois. Nearly 70,000 people gather to witness the national air races. 18 U.S. Army Air Corps P-1A aircraft in flight. A large crowd inspects parked aircraft including the Pitcairn auto gyro. Two Pitcairn auto gyros in flight over the parked aircraft.
Curtis pusher aircraft in flight in the United States. Aviator Al Wilson in his 1910 replica of Curtis pusher plane as he takes off. Aircraft in flight over the field. Al Wilson seated in the cockpit of the aircraft , interviewed by a newsman.
A U.S. Navy training film titled ‘Major Caliber Guns & Turrets’ giving details about the 16 inch 50 caliber Mark 7 gun, United States. Drawings of various guns depict the gun turret of warship Monitor, two 15 inch guns in a ship, and 16 inch 50 caliber gun. Three 16 inch guns on BB-61 class battleship. Structure of gun being explained by an animation showing armored gun house, rotating structure below resting on a roller path. Circular turret foundation supporting the structure. Circular armored cylinder. Powder hoist and gun cradles of a gun house. Shelf plate, pan plate, power equipment for rotating gun located in a pan plate, electric deck used for training of gun, and projectile handling platforms. Projectile platforms which includes two concentric sections, shows projectile ring and fixed stowage. Pointers point to power handling room below projectile platforms. Structure of gun from top to bottom.
A U.S. Navy training film giving details about the 16 inch 50 caliber Mark 7 gun, United States. Three 16 inch 50 caliber Mark 7 guns mounted on BB-61 class battleship. Powder handling room of a 16 inch 50 caliber Mark 7 gun as operators work out powder handling operations. Operators keep the powder bags moving to the powder hoists. Scuttle operators take powder bags from magazine scuttle and hand them to powder passers. Powder bags being placed in powder car which travels through powder trunk to gun house on top of the gun. Animation explains work of powder hoist as a car travels up through a trunk by means of cable. Projectile ring section as ring operators work under supervision of one petty officer. Projectile ring operator and hoist operator work. Projectile travels up to gun house. Gun house with gun captain, rammer operator, cradle operator, and a primer man. Gun captain at gun which is in loading position. Spanning tray of a gun in position. Rammer operator rams the projectile into the gun. Powder bags being rolled into the gun. Cradle operator raises the cradle and spanning tray. Gun captain turns the ready switch to ready. Gun goes back to firing position. Officer work at control panel. Guns of ship being fired. Gun goes back to loading position. Gun captain opens the breech of gun. Guns on ship being fired. Personnel at work.
A U.S. Navy training film giving details about the 16 inch 50 caliber Mark 7 gun, United States. Animation shows 16 inch 50 caliber Mark 7 guns from battleship firing toward shore installations. Guns attack targets at various distances inland. Pointers pointing to 16 inch gun turrets on Iowa class battleship. Guns on ship fire at targets. Smoke rises from gun fire.
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