At McCook Field in Dayton, Ohio, U.S. Army Air Service engineers inspecting Plane-Radial screw (helicopter lift mechanism) of George De Bothezat, a Russian immigrant working under contract with the Army. General Mason M. Patrick, Chief of the Air Service, inspects the radial screw. 1000 pounds of weight is lifted by lifting-rotor utilizing 35 horsepower. View of revolving rotor blade and officers in background. Brigadier General William Mitchell ( "Billy Mitchell" ) also inspects the work and discusses with George de Bothezat. Test flight for then Secretary of Commerce Herbert Hoover of the Jerome-de Bothezat Flying Octopus, equipped with four 6-bladed rotors. George de Bothezat in the pilot seat as the large helicopter lifts. It is held from going up very high and stabilized by men all around it. Another test with de Bothezat's assistant Mr. Eremeff in the pilot seat.
A nurse weighs a baby on a mono-pan balance. The baby cries. A doctor examines the baby. Two babies with nurses. A baby with curled hairs appears. The winner, 11-month old baby is in its mother's lap. They stand with the trophy.
Statue of John Burroughs at the entrance to Toledo Museum of Art. Burroughs with children gathered around him. 20000 School children assembled on the terrace of the Toledo Museum of Art to greet their honored friend. Boy scouts carrying flags surround Burroughs. Flower strewn steps. Crowd including boy scouts parade past Burroughs. Mayor Schreiber calls for 'Three cheers for Mr. Burroughs'. Mr. Burroughs reviews children. Children strewn flowers at his feet as they pass. George W Stevens presents the statue, the Gift of W E Bock, to the children of Toledo. C. S. Pietro can be seen. Mr. W E Bock. Mayor Schreiber delivers rousing welcome address.
Man demonstrates how rubber is wasted during rash driving by quick brakes and rapid turns on highway. A Chevrolet Car stops suddenly leaving tire marks. Man showing rubber particles.
A military half-track truck with a covered bed, leaves the roadway and climbs sideways up a steep off road embankment. The truck has conventional wheels with tires in front but is propelled by a tank like track with treads in the rear. The rear track is shown up-close rolling over large bumps.
Mrs. Mary C. Hettinger shoots electric light bulbs from the hands of her great grand children. Views of the 82-year-old target shooting champion in action.
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