Issue 4 (October 1946)

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. Committees of the Society InformationOpen access
5. A Unified Approach to the Performance of Photographic Film, Television Pickup Tubes, and the Human Eye Original Research
6. The High Cost of Poor Projection Original Research
7. Factors Governing the Frequency Response of a Variable-Area Film Recording Channel Original Research
8. Wide-Range Loudspeaker Developments Original Research
9. Current Literature of Interest to the Motion Picture Engineer InformationOpen access
10. Employment Service InformationOpen access