Abstract
IN an article in NATURE of December 26, 1925, Sir W. M. Flinders Petrie compares unfavourably the recent survey of the Great Pyramid carried out by Mr. J. H. Cole, of the Survey of Egypt, with his own survey of 1881. He points out that the closing error in the eight angles of Mr. Cole's traverse around the pyramid, which amounts to 9.6 inches, is equal to a difference of 2.7 inches “if on the whole distance.” This statement would only be relevant to his argument if the traverse were an open one run, more or less, in a straight line, and if the angular error were located entirely in the initial angle. In fact, when the measured quantities (angles and lengths) are taken as observed, the closing error of the traverse amounts to 0.7 inch, and when the traverse is adjusted to self consistency, the greatest corrections applied are 0.04 inch to a measured length and 2.7 inches to an observed angle.
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RICHARDS, F. Surveys of the Great Pyramid. Nature 118, 226 (1926). https://doi.org/10.1038/118226a0
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DOI: https://doi.org/10.1038/118226a0
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