International projectionist (July-Dec 1934)

10 INTERNATIONAL PROJECTIONIST October 1934 6. Solve the following by the method of completing the square: 2x2+8x = 64 Answer 2x2+8x=64 x= x2+4x = 32 x2+4x-(-4 = 32-|-4 (adding the square of one-half the coefficient of x) x+2r=:±6 (Extracting the square root of both sides of the equation) x=r — 6 — 2 or — 8 (Using the — 6 root) x=-f6 — 2 or +4 (Using the +6 root) x=: 7. Solve the following by the quadratic formula: x2+4x— 32 = 0 Answer -6±\/62 — 4 ac 2a -4±V16— 44-(— 32) -4±v/16+128 — 4±\/144 :12 2 2 x=— 8, or +4 Important Projection Listed Topics on S. M. P. E. Convention Program PREPARATIONS have been completed for the Fall Meeting of the Society of Motion Picture Engineers to be held at Hotel Pennsylvania in New York City, October 29-November 1. The tentative papers program, appended hereto in part, lists a wealth of material which will both chart the technical progress of the industry during the past six months and stake out the course for the future. The forthcoming convention will be a landmark in Society history in that it will witness the retirement as president of Dr. A. N. Goldsmith, under whose leadership the Society has made rapid progress in addition to having undergone a radical change in its structure and modus operandi. Particularly noticeable during the past few years has been the extreme interest in the projection field exhibited by Dr. Goldsmith. H. G. Tasker, of United Research Corp., being unopposed for the office of president, will succeed Dr. Goldsmith. Other officers will also be elected on the opening day of the meeting. Among those who will address the Convention at various times through the meeting are Ed Kuykendall, president of the M. P. T. 0. A., and Mrs. Frances T. Patterson, Columbia University — both of whom will speak at the get-together luncheon on opening day. At the banquet on the evening of the third day the speakers will be Dr. F. B. Jewett, vicepresident of American Telephone & Telegraph Co., and Harold B. Franklin, stage and picture producer. Interesting Projection Topics Projection topics will come in for a major share of attention, outstanding among which will be the report of the Projection Practice Committee, headed by Harry Rubin, who will present a paper on the new Suprex D. C. arc lamps, while the National Carbon Co. will offer a paper on "The Non-Rotating High-Intensity D. C. Arc for Projection", by Messrs. Joy and Geib. These papers, plus the inevitable discussions, are expected to go far toward clarifying the present arc situation. Dr. Goldsmith will also read a paper at the projection session. N. Levinson of the Academy of M. P. Arts and Sciences will describe the activities of the Research Council of the Academy, which is presently engaged in various technical projects affecting the projection and exhibition fields. Not a little advance interest is being manifested in the paper, "Reflecting Surfaces of Aluminum," to be read by a representative of the Aluminum Co. of America. The highlight of the social program will be the semi-annual banquet which this year falls on Halloween evening. Numerous other social activities, particularly those for the ladies, have been arranged. Among the papers listed for presentation at the meeting are: "The Theatergoer's Reaction to the Audible Picture as It Was and Now" ; M. Hall. "Current Developments in Production Methods in Hollywood" ; H. G. Tasker, United Research Corp. "The Production Situation in Russia"; V. I. Verlinsky, Amkino Corp. Report of the Standards Committee; M. C. Bastel, Chairman. Report of the Historical and Museum Committee ; W. E. Theisen, Chairman. "Some Photographic Aspects of Sound Recording" ; C. E. K. Mees, Eastman Kodak Co. "Determination of Distortions in the Photographic Recording of Sound Tracks" ; G. L. Dimmick, RCA Victor Co. "Piezoelectric Loud Speakers" ; A. L. Williams, Brush Development Co. "Wow Measurements" ; E. D. Cook, RCA Victor Co., Camden. "The Photographic Disk Reproducer"; E. D. Cook, RCA Victor Co. "Activities of the Research Council of the Academy of M. P. Arts and Sciences" ; N. Levinson, Hollywood. "Possibilities of Engineering Develop ments in the Motion Picture Industry" ; A. N. Goldsmith. Report of the Projection Practice Committee; H. Rubin, Chairman. _ "Some Engineering Aspects of the Designing of Motion Picture Theatres"; B. Schlanger, New York; S. K. Wolf, Electrical Research Products, and L. A. Jones, Eastman Kodak Co. "Electronic Tube Control for Theater Lighting" ; J. R. Manheimer and T. H. Joseph, E-J Electric Installation Co., New York. "Theater Luminous Architecture" ; C. M. Cutler, General Electric Co. "The Non-Rotating High-Intensity D-C Arc for Projection"; D. B. Joy and E. R. Geib, National Carbon Co. Report of the Color Committee, C. Tuttle, Vice Chairman. "Trick Photography" ; J. A. Norling, Loucks & Norling, Inc. "Rear Projection for Process Photography" ; G. G. Popovici, Eastern Service Studios, Inc, and H. Griffin, International Projector Corp. "The 16-Mm. Sound-Film Outlook" ; W. B. Cook, Kodascope Libraries, New York. "Sixteen-Mm. Optical Systems" ; G. Mili, Westinghouse Lamp Co. "What Is Light?"; S. G. Hibben, Westinghouse Lamp Co. "High-Intensity Mercury and Sodium Arc Lamps" ; L. J. Buttolph, General Electric Vapor Lamp Co. "The Use of the High-Intensity Mercury Vapor Lamp in Motion Picture Photography"; M. W. Palmer, Motion Picture Lighting and Equipment Corp. "Recent Developments in the Use of Incandescent Lamps for Color Motion Picture Photography"; R. E. Farnham, General Electric Co. "Reflecting Surfaces of Aluminum" ; J. D. Edwards, Aluminum Co. of America. COAST ACTORS SET FOR A. F. OF L. Screen Actors Guild, composed of film players in Hollywood, has voted to affiliate with the American Federation of Labor. Charter for the film field is now held by the Actors Equity Association, which has long controlled the legitimate field. Some Guild members hold that this concentration of Equity in the stage field makes desirable a direct charter for the Hollywoodians. It is not considered likely, however, that Equity will permit this invasion of its jurisdictional rights, and the Guild is expected ultimately to join with the former under some local autonomy setup. Several years ago Equity participated in an abortive attempt to organize West Coast film players, with rumor having it that the then I. A. President William F. Canavan worked hard behind the scenes to jam the matter through. Even though all Guild members, numbering Hollywood's most important players, should join Equity under A. F. of L. auspices, it doesn't shape up as of much importance to I. A. members.