The optical lantern, for instruction and amusement (1890)
Pringle, Andrew · New York, The Scovill & Adams Company · leaf 84
n utilize the lantern for showing on a large scale the image of an experiment being made on a small scale, we have found a further use for our lantern. As a matter of fact many chemical, magnetic, optical and other experiments can very easily be shown to a large audience, though conducted on a… … Fig. 39. It is long since first attempts were made to project images of microscopic objects by means of a microscopical objective and suitable condensing lenses. The animal and vegetable contents of a drop of water have many times been projected with high magnification on a screen, fleas and other…
Lantern projection
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.