We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.
Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.
126 Catalogue of Motion Pictures No. Service No. Subject Reels Charge 18-27 Menace of the Mississippi 2 1.00 Ravages during recent floods. Constructing new levees, canals, and creating flood districts. President Hoover's plan of flood control. 23-25 Glimpses of the Yosemite 1 .50 Famous falls and other features. Big Oak Flat Road. Tuolumne Big Trees. Tenaya Lake. Morro Lake. Wa- wona Big Tree. PHYSICS 9-5 Story of Compressed Air, The 2 1.00 How produced. Types of engines for making. Uses in industry. 9-15 Liquid Air 1 .50 Stages of compression. Effect upon different objects. Refrigeration with air. 9-3 Light of a Race 1 .50 Development of artificial illumination from primitive fire-making to incandescent lamp. 9-4 Revelations by X-ray 1 .50 Manufacture of Coolidge tube. Electrical action in pro- ducing x-rays. Power of x-ray to reveal inner structure of opaque objects. Action of bones of hand, wrist, elbow, knee, ankle, and foot. How x-rays have assisted modern science. 6-5 Magnetism and Electro-Magnets 6 6.00 a week 6-3 Induction Voltage Regulators 2 1.00 9-2 Big Deeds 2 1.00 General Electric Company factory at Schenectady, N. Y. Huge hammer pounding a 12,000-pound billet into shape. Immense electric ovens. Research laboratories. 900,000- volt Coolidge cathode tube. X-ray. Broadcasting first television drama. Testing effects of lightning. Many other electrical experiments. 9-1 Beyond the Microscope 1 .50 Molecular construction of water. Physical changes pro- duced by vaporization and solidification. 16-78 The Span Supreme 7 3.00 Operations in construction of new Hudson River sus- per week pension bridge which will be repeated on Golden Gate Bridge.