The optical lantern, for instruction and amusement (1890)
Pringle, Andrew · New York, The Scovill & Adams Company · leaf 52
42 THE OPTICAL LANTEEN. from the Broughton, and the Ives contains flannel impreg- nated with the volatile liquid, but the principle is the same. Figure 25 (a) shows Broughton's, Figure 25 (b) shows Ives' saturator. In both cases, O. represents the oxygen supply, H. the saturated oxygen tube leading… … Fig. 25 (*). of saturating the oxygen remains the same, but the manner of carrying it out differs somewhat in Mr. Scott's contrivance from the saturators just described. Figure 25 (c) is a section of Mr. Scott's gasoline saturator. The central chamber (shaded in the figure) contains flannel, which…
Lantern projection
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