beyond that which is beneath it, continues the ascent a hundred
and twenty-eight feet farther. This is six feet nine inches wide, and
thirty-eight feet six inches high, measured at right angles. On each
side is a bench, near thirteen inches highland the same in width.
From the end of this gallery a horizontal passage leads to thè
principal chamber, the door-way of which is three feet nine inches
high, and three feet two inches wide. The chamber itself is thirty-
five feet long, twenty-two feet five inches wide, and twenty-five
feet and a half high. I t contains the sarcophagus, which is seven
feet six inches in length externally, three feet six inches wide,
three feet nine inches high, and six inches thick. From the
landing-place at the end of the second passage a horizontal gallery
leads to another.chamber below the former. This chamber, thè
roof of which is not flat, but angular, is eighteen feet two inches
long, twelve feet nine inches wide, and the same in height. Thè
passage to it is a hundred and twenty-one feet seven inches long,
three feet four inches arid a half widè, and three feet nine inches
high. These measures were taken by Mr. Jean Baptiste Record,
of Cairo,'in September, 1784, in french feet, which are here reduced
to english.
The dimensions of the pyramid itself have been variously recorded
by different authors. The late captain Riou gave to Mr.
Reveley the following measures, taken by his father, Stephen Riou,
an engineer of undoubted abilities, in the year 1754 or i 75 5.
Length of the base seven hundred and fifty-nine feet, perpendicular
height four hundred and forty-one. Mr. Dalton assigns
twelve feét more to the base, and two feet more to the perpendi