Magic, pretended miracles, and remarkable natural phenomena (1855)
Religious Tract Society (Great Britain), McManus-Young Collection (Library of Congress) DLC · Philadelphia : American Sunday-School Union ; London : Religious Tract Society · leaf 96
ngs upon glass, andof making profiles by the agency of light uponnitrate of silver. The experiments he madewere repeated by sir Humphry Davy ; bubseveral years after, MM. Niepce and Daguerre,and Mr. Fox Talbot, laid the foundation ofthe present state of photographic drawing.The former engaged in a… … a double convex lens, a, at one end, and aglass reflector, b, which is generally a piece oflooking-glass, at the other. Now, supposingthe rays of light to proceed from an extensivelandscape, and pass through this small convexlens, as we well know they may do, what willbe the effect produced ? The…
Magic · Miracles · Curiosities and wonders
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