The sciopticon manual, explaining lantern projection in general, and the sciopticon apparatus in paricular (1877)

Record Details:

Title:
The sciopticon manual, explaining lantern projection in general, and the sciopticon apparatus in paricular
Date:
1877
Publisher:
Philadelphia, J. A. Moore
Volume:
The sciopticon manual, explaining lantern projection in general, and the sciopticon apparatus in paricular
Leaf #:
000122
Language:
English
Collection:
Books
Format:
Books
Contributor:
University of California Libraries
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Date Added:
July 19, 2022
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SCIOPTICON MANUAL. 113 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 were employed twenty years in building this Pyramid, which appears to have been chiefly intended as a mausoleum of its founder. The granite covering on the second Pyramid makes its ascent more dangerous than the first, which presents no other difficulty than the ascent of a rugged staircase, about four hundred feet in height, in which the steps vary from two feet to a little more than four.