On the question of accuracy I have previously proposed that 'mis-alignments' of more than 1% should be discarded because we know that these Ancient Builders were capable of considerably greater accuracy.

Terms like 'very close' and 'it just misses' are far too common in this field and few people even attempt to state what the error is. This constitutes poor science and it may have caused Geometers as a group not to be taken more seriously by other Egyptologists. A sad lack of good survey data in the public domain doesn't help of course... but that is not an excuse.

There are nine primary dimensions that are usually given at Giza:
- the widths of each pyramid base (1,2,3),
- the East/West distances between the apexes of the pyramids (4,5,6), and
- the North/South distances between the apexes (7,8,9).

The table below compares Petrie's survey figures alongside Mick's geometrical construction figures - showing the 'error' percentage...

All text and graphics on this web site, and the site itself, are ©Barry McCann and/or ©Michael Saunders - 2001-2003

However the engraving above is from the Piazzi-Smyth collection of Jon Bodsworth - EGYPTarchive