Issue 4 (April 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. Dimensional Analysis as an Aid to Miniature Cinematography Original Research
  4. Flexible Drive Shafts—Their Application to Sound Pictures Original Research
  5. A Quick Test for Determining the Degree of Exhaustion of Developers Original Research
  6. Elimination of Commutator Ripple from Direct Current Generators Original Research
  7. Radiation Characteristics of Two Mercury Arcs Original Research
  8. A Method of Testing for the Presence of Sodium Thiosulfate in Motion Picture Films Original Research
  9. A New Sixteen Millimeter Motion Picture Camera Original Research
  10. The Academy of Motion Picture Arts and Sciences and its Service as a Forum for the Industry Original Research
  11. Theater Lighting Original Research
  12. Report of Projection Committee Original Research
  13. Pacific Coast Section, Society of Motion Picture Engineers: Minutes of Meeting: February 27, 1930 Original Research
  14. Spring Meeting of the Society, Washington, D. C. Original Research
  15. Abstracts InformationOpen access
  16. Society of Motion Picture Engineers: Officers InformationOpen access
  17. Committees InformationOpen access
  18. Committee Chairmen InformationOpen access
  19. New Members InformationOpen access
  20. Change of Address InformationOpen access
  21. Society Notes InformationOpen access
  22. Report of the Secretary InformationOpen access
  23. Information for Authors concerning Publication in the Journal InformationOpen access