Issue 21 (May 1925)

  1. Transactions of the Society of Motion Picture Engineers — Cover InformationOpen access
  2. Transactions of the Society of Motion Picture Engineers — Table of Contents InformationOpen access
  3. Officers InformationOpen access
  4. Committees: 1924–1925 InformationOpen access
  5. Radio Movies Original Research
  6. How Theaters should be Ventilated Original Research
  7. The Artistic Utilization of Light in the Photography of Motion Pictures Original Research
  8. The Use of Color for the Embellishment of the Motion Picture Program Original Research
  9. Static Markings on Motion Picture Film: Their Nature, Cause, and Methods of Prevention Original Research
  10. An Improved Sector Wheel for Hurter and Driffield Sensitometry Original Research
  11. The Manufacture of Tungsten Incandescent Motion Picture Lamps Original Research
  12. A New Reflectometer Original Research
  13. Color Photography Patents Original Research
  14. Report of the Papers Committee: May 5, 1925 Original Research
  15. Announcement InformationOpen access
  16. Advertising Section InformationOpen access