Details harmful effects of illegal drug LSD (Lysergic acid diethylamide) on human body. U.S. Navy Doctor Walt Miner speaks about mental symptoms of LSD from navy's point of view. He states that after one dose of LSD, a person can have full intensity recurrence of all LSD symptoms without taking anymore LSD. He speaks about documented cases when LSD recurrences happened. He summarizes the causes for these recurrences. Dr. Miner says that a man in navy who takes LSD can not be considered reliable.
Types of airplanes in the United States prior to 1917. Orville Wright takes off, flies a short distance and lands in an early airplane. The Wright airplane takes off accompanied by a De Havilland airplane. An early blimp in flight.
Early history and developments in the field of aviation in the United States. Past events show glider of Orville and Wilbur Wright flying aloft down a hillside in the early 1900s. Mountains in the background. Next scene, some years later, shows a formation of Curtiss JN-4 biplane aircraft.
An early model passenger airplane in the United States. Passengers climb aboard a large, early model passenger airplane. The passenger airplane takes off. Cameramen in the foreground.
Developments in the field of aviation in the United States. Wilbur Wright flying at an altitude of 360 feet in his first successful airplane. In a later scene, high snow-capped mountains as seen from an airplane in flight years later.
Developments in the field of aviation in the United States. An early model airplane in flight. Trees in the background. American aviator Lincoln Beachey performs his first stunt flying. Lincoln Beachey stands. A stunt man stands on the wing of a Curtis JN-4 "Jenny" biplane in flight.
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