The sciopticon manual : explaining Marcy's new magic lantern, and light, including magic lantern optics, experiments, photographing and coloring slides, etc. (1874)
Marcy, L. J., author · Philadelphia : L.J. Marcy · leaf 123
113 SCIOPTICON MANUAL. quarries on the other side of the Nile, about sixteen miles off. It covers about 13£ acres ; its present height is 456 feet ; it must formerly have been about 480 feet high. Its … sides now present the appearance of irregular steps, varying from four feet eight inches to one foot eight inches; but it appears to have been covered originally with a casing of polished granite; a portion of the cover¬ ing still remains on the second Pyramid. Herodotus tells us that 100,000 men…
Lantern projection · Slides (Photography)
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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