Litchfield, Isaac W, Massachusetts Institute of Technology. Society of Arts · Boston, Mass. : The Society · leaf 89
79 Science Conspectus … Vertical Section of the Great Pyramid showing the Ascending and Descending Passages, Grand Gallery and Queen's Chamber scheme by the relics it has left us of itself. paved pit. These curbs are not continu- Calculations from known astronomic ous but are cut at approximately equal data can tell to an…
Science
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
