Issue 4 (October 1930)

  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. Factors Governing Power Capacity of Sound Reproducing Equipment in Theaters Original Research
  4. Galvanometers for Variable Area Recording Original Research
  5. Progress in Micro Cinematography Original Research
  6. Television Systems Original Research
  7. Modern Practice in Incandescent Cinema Studio Lighting Original Research
  8. One Type of Acoustic Distortion in Sound Picture Sets Original Research
  9. Production Aspects of a Technical Lecture Sound Picture Original Research
  10. Some Considerations Affecting the Design of Phonograph Needles Original Research
  11. Improved Synchronizing Apparatus for Sixteen Millimeter Films with Disk Records Original Research
  12. The Maintenance of Sound Film in Exchange Operation and the Degree that Sound Reproduction is Affected by the Continued use of Sound Track Film Original Research
  13. The Soviet Cinematography Original Research
  14. Conditions under Which Residual Sound in Reverberant Rooms May have More than one Rate of Decay Original Research
  15. Report of Projection and Sound Reproduction Committee InformationOpen access
  16. Abstracts InformationOpen access
  17. Book Reviews InformationOpen access
  18. Society of Motion Picture Engineers InformationOpen access
  19. Committees 1929–1930 InformationOpen access
  20. Society Notes InformationOpen access
  21. Obituary InformationOpen access