Educational film guide ()

CLASSIFIED SUBJECT LIST 62L384-62L385 RADIO RECEIVERS: PRINCIPLES OF RADIO RECEIVERS. UW-Govt 1942 17min sd b&v; $28.25 621.384 sh-c-ad TF 1-472. Produced by the U.S. Air Force Portrays the principles and working of typical radio receivers including crystal and tube detectors, radio and audio frequency amplification, and the superheterodyne circuit LC card FiE 52-1483 RADIO SHOP TECHNIQUES. UW-Govt 1943 38min sd b&w (Radio technician training ser) $55.34 621.384 sh-c-ad MN 1540-e. Produced by the U.S. Navy Shows the tools used by the radio technician and demonstrates orthographic projection, making a lay-out, sawing and filing, drilling, bending metal, wiring, and soldering in making a regenerative receiver LC card FiE 52-917 RECEIVING RADIO MESSAGES. EBF 1943 llmin sd b«&w $50 621.384 Jh-sh-c-ad Guide Educational consultant: Wilbur L. Beauchamp Animated drawings depict the principles of a radio receiver and explain the problem of tuning; the capacity of the variable condenser, the inductance of the coil and resonance. Demonstrates the need of detection and how it is achieved by a crystal Explains the operation of the earphone and the production of audible sound waves SENDING RADIO MESSAGES. EBF 1943 llmin sd b&w $50, rent $2.50 621.384 sh-c-ad Guide Produced in collaboration with Wilbur L. Beauchamp, University of Chicago Operation of the following units is explained: the microphone, the transformer and the modulator. Fundamental concepts are explained, as for example: sound waves, direct currents, alternating currents, voice current, carrier wave, and amplification 621.3849 Radio broadcasting CANADA CALLING. CanNFB 1949 18min sd b&w $60, rent $3 621.3849 sh-c-ad An outline of Canadian radio. Narrated by Canadian radio commentator John Fisher who briefiy reviews the history of radio in the Dominion and Its present three-network set-up. The variety of radio fare for Canadians is indicated by excerpts from many favorite programs INDEPENDENT COMMERCIAL RADIO STATION. UW-Govt 1952 25min sd b&w $37.88 621.3849 sh-c-ad Produced by the U.S. Army Shows the workings of a local independent commercial radio station. Includes scenes of the various kinds of programs as well as the activities of the station. Prepared for civilian use in occupied areas 1.C card FiE 52-1950 RADIO BROADCASTING TODAY. McGrawHill 1948 19min sd b&w $80 621.3849 Jh-sh-c-ad Guide Produced by March of Time Appraises all types of radio programs and includes glimpses of actual shows such as Jack Benny, Toscanini, sports, news, etc. The value of quiz programs and soap operas is questioned and other types of programs are commended. Hooper ratings are explained and Lee DeForest appears briefly in the film to decry the misuse of the medium which he helped develop LC card FiA 52-2558 EFLA evaluation card No. 397 REHEARSAL. AT&T 1947 24min sd b&w freeloan 621.3849 Jh-sh-ad Also available in a 17min version A behind-the-scenes story of a rehearsal for the Bell Telephone Hour radio program, featuring Ezio Pinza, Blanche Thebom, Donald Voorhees and the Bell Telephone orchestra. Scenes show the artists rehearsing for a broadcast, then changes to presentation of the program 'on the air.' The commercial announcement briefly traces the development of communications concluding with a description of today's microwave radio relay system, now operating between New York and Boston TELEPHONE HOUR. AT&T 1945 23min sd b&w free-loan 621.3849 jh-sh-ad Also available in a 15min version A network broadcast showing the activities of technicians. Features the Bell Telephone orchestra conducted by Donald Voorhees with Josef Hofmann, pianist, as guest soloist 621.385 Telephone (Wire) ADVENTURE IN TELEZONIA. AT&T 1949 18min sd color free-loan 621.385 * el Part of a package which also included the fllmstrip HOW WE US THE TELEPHONE and booklets on the use of the telephone Bobby finds his lost dog with aid of the inhabitants of Telezonia, who teach him how to use the telephone correctly For an article on the research among educators and in school situations that preceded final release of this kit, see "Evolution in Film Production" by Arthur Stenius of Wayne University in See & Hear, Issue 2, Volume 6, 1950 ART OF CLIMBING. sd color free -loan NJBellTel 1944 22min 621.385 ad This film is available for purchase from Filmtronics Labs. 436 W. 57th St., New York 19. N.Y. . , Shows an employee being taught to climb and work on poles while wearing line-man's climbers. Proper maintenance of the climbers and the use and care of the body belt and safety strap are covered BASIC TELEPHONY. UW-Govt 1949 20min sd b&w $31.69 621.385 Jh-sh-c-ad TF 11-1553. Produced by the U.S. Army Deals with the basic principles of telephones and telephone circuits LC card FiE 52-1565 BEFORE YOUR TELEPHONE RINGS. AT&T 1948 17min sd b&w free-loan 621.385 Jh-sh-c-ad The story of telephone installation which also includes such behind the scenes essentials as the business office, the directory people, plant assignment, central oflftce, supply service, construction work, accounting operations involving a customer's account and the traffic intercepting and information service THE BIG DAY. AT&T 1946 17min sd b&w freeloan 621.385 sW-&-ad Three girls join the ranks of telephone operators and under the friendly guidance of their associates, instructors and the chief operator, they quickly learn to appreciate the importance of their Jobs and the challenge of working with the other members of the telephone team 559