Issue 4 (April 1947)

  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. Journal of the Society of Motion Picture Engineers — Editorial Board InformationOpen access
  4. Historical Development of Sound Films Original Research
  5. Some Special Problems of Post-Synchronization Mixing Original Research
  6. The Concentrated-Arc Lamp as a Source of Modulated Radiation Original Research
  7. A New Blooping Device Original Research
  8. Improved Engineering Designs for Stage Doors, Transparency Screens, and Water Tank Bulkheads Original Research
  9. Electronic Fire and Gas Light Effect Original Research
  10. Report of the SMPE Committee on Progress Original Research
  11. Officers and Governors of the Society InformationOpen access
  12. Committees of the Society InformationOpen access
  13. Constitution and By-Lawsof the Society of Motion Picture Engineers Constitution InformationOpen access
  14. Journal Award and Progress Medal Award InformationOpen access
  15. Society of Motion Picture Engineers Membership InformationOpen access
  16. Society of Motion Picture Engineers InformationOpen access
  17. Society Announcements InformationOpen access