CONTENTS.

PAGE
§1. The Ground Plan of the Gïzeh Group [9]
Plan Ratios connected into Natural Numbers [13]
§2. The Original Cubit Measure of the Gïzeh Group [15]
§3.The Exact Measure of the Bases of the Pyramids [19]
§4.The Slopes, Ratios and Angles of the Three Principal Pyramids of the Gïzeh Group [20]
§5.The Exact Dimensions of the Pyramids[23]
§6.Geometrical Peculiarities of the Pyramids[28]
§6A.The Casing Stones of the Pyramids [32]
§7.Peculiarities of the Triangles 3, 4, 5 and 20, 21, 29[35]
§8.General Observations[38]
§9.The Pyramids of Egypt the Theodolites of the Egyptian Land Surveyors [41]
§10.How the Pyramids were made use of [44]
§11.Description of the ancient Portable Survey Instrument[51]
Table to explain Figure 60[64]
§12.Primary Triangles and their Satellites;—or the Ancient System of Right-angled Trigonometry unfolded by a Study of the Plan of the Pyramids of Gïzeh [64]
Table of some "Primary Triangles" and their Satellites [74]
§13.The Size and Shape of the Pyramids indicated by the Plan [77]
§14.A Simple Instrument for laying off "Primary Triangles"[79]
§14a. General Observations [80]
§15.Primary Triangulation [82]
§16.The Pentangle or Five-pointed Star the Geometric Symbol of the Great Pyramid [91]
Table showing the comparative Measures of Lines [96]
§17. The manner in which the Slope Ratios of the Pyramids were arrived at [104]