Issue 4 (April 1949)
- Journal of the Society of Motion Picture Engineers — Cover InformationOpen access
- Journal of the Society of Motion Picture Engineers — Table of Contents InformationOpen access
- Journal of the Society of Motion Picture Engineers — Editorial Board InformationOpen access
- Films in Television Original Research
- Possibilities of a Visible Music Original Research
- Optimum Performance of High-Brightness Carbon Arcs Original Research
- Effect of Carbon Cooling on High-Current Arcs Original Research
- Disk Recorder for Motion Picture Production Original Research
- Synchronous Disk Recorder Drive Original Research
- Test-Film Calibration—Proposed Standards Original Research
- Proposed American Standard Original Research
- Your Society—Report of the Executive Secretary Original Research
- Officers of the Society InformationOpen access
- Governors of the Society InformationOpen access
- Officers and Managers of Sections InformationOpen access
- Constitution and Bylaws of the Society of Motion Picture Engineers InformationOpen access
- Awards InformationOpen access
- Society Announcement InformationOpen access
- Society of Motion Picture Engineers InformationOpen access
- Society of Motion Picture Engineers InformationOpen access
- Committees of the Society InformationOpen access
- Section Meetings InformationOpen access
- “Friese-Greene: Close-up of an Inventor, by Ray Allister” (1948) [Book Review] InformationOpen access
- Current Literature InformationOpen access