International projectionist (Jan-Dec 1957)

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. OJlDY l SPECIAL pre-publication ofM 631577 LIMITED TIME! Robert A. Mitchell's 500-Page MANUAL OF PRACTICAL PROJECTION the most complete and practical handbook for projectionists ever compiled! These chapter headings indicate the completeness of the book's contents: PART I: FILM Inspection and Repair of Prints Prevention of Damage to Prints Film and the Heat Problem PART II: THE PROJECTOR Notes on Projector Maintenance Film-Guiding in the Projector The Intermittent Movement Functions of the Projector Shutter PART III: PROJECTION OPTICS; SCREENS Optical Efficiency in Projection The Projection Lens Lens-Matching; Care of Lenses Screen Types and Picture Brightness Screens, Apertures, Aspect Ratios PART IV: THE ARC LAMP The Carbon Arc Operating Characteristics of Arc Lamps PART V: GENERAL PROJECTION PRACTICE The Projectionist's Role as a Showman Projection Preparations for the Seasonal Theatre More Light for Drive-In Screens PART VI: MOTORS, GENERATORS, AND RECTIFIERS Types of Motors Maintenance and Servicing of Motors Types of Generators Maintenance and Servicing of Generators Rectifiers for Projection Arcs PART VII: SOUND REPRODUCTION SYSTEMS Photocells and Optical Sound Testing Amplifier Parts The Sound-on-Disk Reproducer The Sound-on-Film Reproducer Acoustics in Projection PART VIII: PROJECTION OF COLOR AND 3-D FILMS; FORMULAS The Projection of Color Films Stereoscopic Projection Useful Projection Formulas at a money saving pre-publication price of only $4-50 regular i regular price $6.00 • Hundreds of requests have been received for a permanent record of the Robert Mitchell articles that have appeared in INTERNATIONAL PROJECTIONIST. A handsomely bound compilation of the BEST of these articles, revised and brought up to date, is now on the press. By placing your order now . . . you'll save money and be one of the first to get a copy. • This manual is divided in 8 sections and contains 30 chapters (see listing). A practicing projectionist as well as a recognized authority in this field, author Mitchell covers clearly and thoroughly every aspect of motion picture projection . . . from adjusting an arc lamp to the splicing of film. • Profusely illustrated and crammed full of practical projection knowledge, Mitchell's MANUAL OF PRACTICAL PROJECTION differs from every other projection work in at least 3 ways: 1. Its contents have received the enthusiastic approval of experienced projectionists. 2. It does not contain elementary principles of physics taken from school textbooks. 3. It does not contain manufacturers' pamphlets available to any projectionist for the asking. INTERNATIONAL PROJECTIONIST 19 West 44 St., N. Y. 36, N. Y. Gentlemen: Please send me copies of R. A. Mitchell's MANUAL OF PRACTICAL PROJECTION at the special pre-publication price of only $4.50 per copy, postage prepaid. Enclosed is check 'or money order) for $ NAME ADDRESS CITY ZONE STATE INTERNATIONAL PROJECTIONIST • JANUARY 1957