Projektionseinrichtung

摘要

A transparent rotatable cylinder having spaced support flanges and seats therein for supporting a strip of microfilm and the like a small distance from the cylinder while the microfilm is being projected onto an image plane. A projector lamp is located adjacent the cylinder on the side of the cylinder opposite the image plane to illuminate the microfilm as it is fed in a path concentric with the surface of the cylinder between the cylinder and the image plane.