The optical lantern, for instruction and amusement (1890)
Pringle, Andrew · New York, The Scovill & Adams Company · leaf 20
) a projecting system for collecting, projecting, enlarging and focusing the image of the object as illuminated by the rays from the con- denser ; (4) a " screen " or surface for receiving the enlarged image and making it visible to the eye. The entire system will be easily understood from Fig. 1.… … Fig. 1. R, the radiant ; C, the condenser ; S, the lantern slide ; P, the projection lens ; I, the screen or plane where the enlarged image is received. We may begin by describing what in most cases is the object to be illuminated and to be reproduced on a scale so much larger and at some…
Lantern projection
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
