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Actors portray discovery of Microscopic lens and rabies vaccine
Narrated feature about scientific discoveries and applications of the microscope. Actors portraying invention of microscope in Delft Holland. Actor grinds and polishes a lens. He looks through the microscopic lens at a drop of water and discovers minute living organisms. Actor portraying French chemist Louis Pasteur studies the microscopic forms of life found in the solution of ferment. He discovers that heat kills germs. Men ferment wine. Discussion of pasteurization, vaccinations, and Pasteur. Herd of sheep grazing. Boy contaminated with rabies comes to Dr Louis Pasteur. Boy bitten by a dog. He discovers a vaccine for the deadly rabies and gives it to the boy.
Lessons from microscopic science lead to advances in antiseptic surgery, pasteurization, and vaccinations.
1930s narrated feature about scientific advances made possible by the microscope. View of a microscope. Chemist or scientist looks through a microscope in laboratory. Microscopic view of the living organisms. Milk pasteurized by heated coils in large drums. Milk graded with pasteurization label. Boy drinks a glass of milk. Narrator describes milk as "the most valuable of all our foods for health." Sterilization techniques introduced in surgical operations: Doctor Joseph Lister of London (dramatized by an actor) shown with a spray can administering a "poison spray" to kill germs and disinfect a surgical or operating theatre. Surgeon performs antiseptic surgery on patient. Surgeon sterilizes the instruments to be used in an operation by pouring carbolic acid solution over them. View of operating instruments being removed from a heated steam chamber used to kill germs on the instruments. Doctors performing a surgery. Dramatized scenes of a doctor arriving at a home in Berlin to treat a girl suffering from Diphtheria. View of sick girl in a bed, through an outside window with snow falling, and the girl's mother and a nurse assisting her. The doctor gives the girl a diphtheria inoculation. Girl is shown recovered and walks outside of her home and gives a hug to her mother. Public vaccination clinics: Young children, including a young boy and an infant, receiving immunizations in a doctors office.
Manufacture of glass and preparation of lenses at Bausch and Lomb Company in New York.
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.
Introduction to the story of the telescope, including images of an astrolobe and a sundial
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.
The Lick Observatory telescope
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 telescopic view of a Solar Eclipse. Citizens and astronomers preparing to view an eclipse
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.
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