Narrated feature about scientific advances made possible by the microscope. Light passes through a glass. Prism causes the light to reflect in other direction. Animated picture of magnifying lens. Workers making glassworks in the Bausch and Lomb Company in New York, mixing sand and glass and then stirring of the molten mass in a furnace. Prince Rupert test of a glass drop. The glass mixture is dropped on ground for test and hammered. Cooling of large pot containing molten glass. Large tongs used to remove clay pot from furnace, and then pot covered with insulating material. Pot broken away after glass is cooled . The big piece of glass is broken into small lenses. Workmen examining and choosing lenses for grinding. Grinding of lenses with polishing agents. Animated picture of lenses in a microscope and the change of the course of the rays of light to show the larger virtual image. Assembly of a microscope. Microscopic view of various germs including typhoid and diphtheria. An unborn chicken in an embryo, viewed through the microscope. Blood circulating in a frog's foot, through the microscope. Malignant blood cells. Crystallization of various chemical elements viewed in the microscope.
The story of the telescope. View of setting sun and stars at night. Animated picture of various objects formed in the constellation of stars. The stars move around the North Star. The 'Path of the Zodiac' in the sky. Calendar shows various months and dates of a year. Clock shows time of a day. In a 15th century Chinese observatory, a man spins a giant globe that serves as a map of the sky. An astrolobe instrument with which astronomers measure the angles of stars and its positions. A sundial used to tell time of day. Picture of Galileo looking through the telescope. Animated picture of planets around the sun.
People visiting the large telescope at the University of California Lick Observatory (Lick Observatory 7281 Mount Hamilton Rd. Mount Hamilton, CA 95140), near San Jose, California. View of the tube of the telescope and the 36-inch diameter lens of telescope. Animated views of telescopic views featuring Jupiter with nine moons around it, Saturn with its ring and Mars with two moons. A bearded astronomer looks through the telescope. Pictures of comets.
Animated view of sun and description of a total eclipse. Animated picture of moon passing across the sun. Citizens preparing to watch an eclipse. Astronomers from all over the world watch the sight. Moon covers the image of sun with halo of light around it. (Solar Eclipse). Tongues of flame in the halo of light visible through telescope. Animated view of earth from the moon.
Franklin Delano Roosevelt's Second Inauguration ceremony on a cold rainy day in Washington DC. Vehicles drive past on Pennsylvania Avenue. Troops with rifles; West Point Cadets; mounted cavalry and horse drawn artillery units parade. Several bands play, President Franklin Roosevelt is assisted by his son as he stands to review the parade. As a result of the bad weather not many spectators watch the activities.
Works Progress Administration helps musicians to find jobs in their field during the Great Depression. Opening scene shows orchestra performing in concert at the Toledo Zoo Amphitheater (2700 Broadway St, Toledo, OH 43609, United States) in Toledo, Ohio. Next, an African American gospel choir gathers around a piano and sings the spiritual "Ezekiel Saw the Wheel" led by their female conductor, the famed Blues singer Juanita Hall.
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