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 · [Philadelphia] Sherman · leaf 122
113 SCIOPTICON MANUAL. quarries on the other side of the Nile, about sixteen miles off. It covers about 13 J 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.
![An illustration from St. Nicholas [serial] (1873)](https://img.insideoutlibrary.com/img/200/ia-stnicholasserial271dodg-295-280.webp)
