Issue 3 (March 1940)

  1. Journal of the Society of Motion Picture Engineers — Cover InformationOpen access
  2. Journal of the Society of Motion Picture Engineers — Table of Contents InformationOpen access
  3. Large Size Non-Rotating High-Intensity Carbons and Their Application to Motion Picture Projection Original Research
  4. The Development and Practical Application of the Triple-Head Background Projector Original Research
  5. Motion Picture Auditorium Lighting Original Research
  6. Automatic Slide Projectors for the New York World's Fair Original Research
  7. The Vocoder—Electrical Re-Creation of Speech Original Research
  8. The Objective Measurement of the Graininess of Photographic Emulsions Original Research
  9. Regulations of the National Board of Fire Underwriters for the Storage and Handling of Nitrocellulose Motion Picture Film: As Recommended by the National Fire Protection Association Original Research
  10. Film Splicer for Developing Machines Original Research
  11. Current Literature of Interest to the Motion Picture Engineer Original Research
  12. New Motion Picture Apparatus: A Flexible Time-Lapse Outfit InformationOpen access
  13. 1940 Spring Convention: Society of Motion Picture Engineers: Chalfonte-Haddon Hall, Atlantic City, New Jersey April 22–25, Inclusive InformationOpen access
  14. Society Announcements InformationOpen access