Issue 7 (April 1919)

1. Transactions of the Society of Motion Picture Engineers — Cover InformationOpen access
2. President's Address InformationOpen access
3. “White Light for Motion Picture Photography” Original Research
4. Some Phases of the Optical System of the Projector Original Research
5. Condenser Design and Screen Illumination Original Research
6. Adding Color to Motion Original Research
7. Attachments to Professional Cinematographic Cameras Original Research