The elements of natural and experimental philosophy .. (1834)
Phillips, R. (Richard), Sir, 1767-1840, Smith, E. A · New York, M'Elrath, Bangs & Herbert · leaf 155
one aperture for the admis-sion of light, with lenses fit to form a picture of external objectson the posterior parts of its cavity, and is capable of all the neces-sary adjustments within certain limits. CCVI. The Magic Lantern is an instrumentused for magnifying paintings on glass, andthrowing… … E lllus. Fig. 59 represents the machine with the effect it pro-duces. Fig. 60 shows the internalparts of themachine placed attheir proportionate distances. The lantern contains a candle A,a reflector M N, which is so situated as to have the light A in itsfocus. On the fore part of the lantern,…
Physics
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