Howard-Vyse, Richard William Howard: Operations carried on at the Pyramids of Gizeh in 1837: with an account of a voyage into upper Egypt, and Appendix (Band 2) (London, 1841)

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APPENDIX.

sieme, a 3m'3 ; la hauteur, 18m 6 ; Tangle d'inclination, 46 degres.
Les trois marches inferieures ont lm,5, et lm'4 d'elevation ; les
suivantes sont un peu plus basses, mais la derniere a encore
0m8."

M. Jomard gives the following dimensions : —

Height of entrance from base7

Number of courses of stones, 203

Height, deducting the two ruined tiers at the top

Small courses of the platform

Height by trigonometrical survey

Arete de la Pyramide, line from the summit to the

base at the angles -
Inclined height -
Diagonal of the base -

Triangle of the fronts of the Pyramid— q u
Angle de l'arete avec la base - 57 59 40
Angle of the top - - 64 0 40

Angle des deux aretes opposees—

Diagonal angle at the summit - 97 6 0

Angle de l'arete avec la diagonale de la
base — angle formed by a diagonal
of the base with one of the lines at
the angles - - 41 27 0

Angle of two opposite fronts - - 77 21 50

Angle of one of the fronts with the base 5119 4

Le perimetre de la base—the circumference of the
base - - - -

Le perimetre du socle — the circumference of the
pedestal7 ...

Width and height of entrance-passage

Angle of descent, 26° 30'

Length of passage ...
Distance from the entrance of passage to exterior

of Pyramid ...
Height from end of descending to commencement

of ascending passage - - -

Angle of ascending passage, 25° 55' 30"

FRENCH ME
Pds. Pes. Lns.

43 0 0

425
422
423

4J

67 2 0

6 0 0

7 These mensurations do not exactly agree with those of M. Coutelle. The
Pyramid has no pedestal, but the faces and also the lines of the angles (les aretes)
are in one continued line from the top to the bottom.