Business screen magazine (1942)

FILMS ON ELECTRICITY "One pictute U i^ctth 10,000 u^ctd-A' -CONFUCIUS Confucius said it Adverti-Films proved it with that "cHe pictufe " All the beauty of full color, all the realism of sound, combined to give you the feel of AMERICA on the move. A Presentation of GENERAL ELECTRIC and AMERICAN LOCOMOTIVE in cooperation with the ASSOCIATION OF AMERICAN RAILROADS and Adverti-Films 1585 CROSSROADS HOLLYWOOD • Important in many phases of the defense production program, electrical maintenance and repair is an excellent subject for the employment of visual aids. Many good films have been prepared, some by commercial sponsors, others of a definitely educational character by professional producers who offer them at modest sale and rental prices noted in this list. .\ complete index to such visual materials, including motion pictures and filmstrips. will be published in the next issue of liusiness Screen. A list of representative electrical subjects follows: Typical Elkcthicity Titi.es Currents Induced. Motion picture film, ICmm. silent. 1 reel. Eastman Kodak Co., Rochester, N. Y., $24.00. The principle of electromagnetic induction appHed to commercial generators — the conversion of alternatinK current into direct current — the action of the commutator, transformer, telephone, etc. Electricity. Slide-films (12). Somm. The Jam Hand.v Organization, Michigan, Individual slide-films, $4..50. (See page 28). ELECTRiriTY. Chemical Effects of. Motion picture film. Ifimm. i^ilent. 1 reel. Eastman Kodak Co., Rochester, N. Y., $24.50. The action of two electrodes in an electrolyte is traced from crude beginnings by Volta, through modern battery manufacture and use, etc. Electricity, Heat and Light from. Motion picture film. Ifimm. ailent. 1 reel. Eastman Kodak Co., Rochester, N. Y., $24.00. Electricity, Magnetic Effects of. Motion picture fihn. IGmm. sile7it. 1 reel. Eastman Kodak Co., Rochester, N. Y., $24.00. Includes magnetism and magnetic induction, with their applications to the electro-magnet, the electric bell, the ammeter, the voltmeter, and the motor. Excursions in Science. Motion picture film. 1 reel, 16mm., sound. General Electric Co. (Write nearest branch office); free loan, transportation charge. Film Lessons in Electricity. Motion picture film.-<. Ifimm. sound or silent, fi films, each 2 reels. DeVry Films and Laboratories, 1111 Armitage .•\ve., Chicago, 111., rental Reading the voltvieter if depicted in a DeVry Film reel from that Company's film lesson.\ in electricity { 6 film^ each two reels long ) . each subject (2 reels), sound $3.00; silent $2.50 for each two days plus transportation both ways; purchase price each subject (2 reels) -sound $63.00; silent $43.00. Subject covered: 1. i'rinciplc.'i of magnetisin 2. Principles of Electro-magnetism 3. Principles of current electricity 4. Principles of electrical ineasure ment 5. Principles of electrostatics G. Principles of current generation How THE G-E Icing Unit Works. Motion pictu7-e film. IGmm. silent. 2 reels. General Electric Co. (Write nearest branch office), free loan, (transportation charge). Modern SwiTciiGfuR for General iNDi'STRiAL Use. .Motion picture fihn. KInmi. 2 reels, sound. General Electric Co. (Write nearest branch oftice). Free loan (transportation charge). A picture showing the importance of up-to-date switchgear in maintaining industrial production schedules. Modern Zeus, A. Motion picture film. Illmni. sound. 1 reel. General Electric Co. (Write nearest branch office). Free loan (transportation charge). Pictures the production of artificial lighting and the devices used to protect electric power systems and domestic ser\'ices from lightning. Quality Motors in the Making. Motion picture film 16mm. sound. 1 reel. The General Electric Co. (Write nearest branch office). Free loan, (except transportation charge). Volt Co.mes Into Its Own, The. Motion picture film. 16mm. sound. 2 reels. General P^Iectric Co. (Write nearest branch office). Free loan transportation charge. When You Can Measure. Motion picture film. 16mm. sound. 4 reels. General Electric Co. (Write nearest branch office). Free loan, transportation charge. Why We Do it the Way We Do. .Motion picture film. 16mm. sound. 4 reels. General Electric Co. (Write nearest branch office). Free loan, transportation charge. Editor's Note: According to the needs of local vocational classes, the titles above mat/ be obtained through public funds provided for defense instructional materials, allocated at the discretion of state vocational authorities and subject to such approral, according to the provisions of Public Law, 146. Diagramatic animation helps unveil the niysleric; of electricity in a typical scene from one of the DeVry Film.f' teaching series. Directed by JOHN J. ROLAND 01 34 nusiin'Sit fivrffln