Dunning Process and Process Backgrounds
Carroll H. Dunning · Journal of the Society of Motion Picture Engineers · 1931
The paper includes a description of the general principles of the Dunning process and methods of processing backgrounds into motion pictures. It elaborates on a previous paper1describing the system. Various features to be considered in applying the process and the various difficulties encountered are briefly discussed. The necessity for maintaining the proper height and angle of the camera when taking shots of backgrounds to be processed is emphasized.