Great facts : a popular history and description of the most remarkable inventions during the present century (1860)
Bakewell, Frederick C. (Frederick Collier), 1800-1869 · New York, D. Appleton and company · leaf 104
on glass^, represent-ing different views, be then placed in each lantern,with the lenses adjusted to bring the rays to a focuson the screen, the two images will be so mingled to-gether as to present only a confused mixture of colours.Suppose one of the views to be the interior of a church,and the… … DISSOLVING VIEWS. 89 piece. When an opaque shade is placed before thelens of either of the lanterns, to prevent the lightfrom reaching the screen, the previous confusion be-comes instantly clear and distinct, and the church orthe landscape is seen without any interfering images.If the opaque screen…
Inventions
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