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)

APPENDIX.



1 1 A

119

T 1 i 1

Lower horizontal passage.

l'eet.

Indies.

Length to inclined entrance to lower chamber

23

11

rrom entrance to lower chamber to portcullis

26

5

Breadth -

3

&k

TI • I

Height -

5

11

Thickness of portcullis

1

1

l-rom portcullis to mouth of lower entrance on the





exterior of the pyramid

100

0

creadth - - - -

3

51

Height -

3

11

Angle 22° 15'.





Inclined entrance to lower chamber.





Length - - - -

22

0

Breadth -

3

5

TT 1_ a

Height -

3

8

a _I „ A AO iTA'

Angle 20 50.





Lower chamber.





T it. i j .

Length east and west - - -

34

1

T")___l.l ,i j . l

breadth north and south

10

*

Height at sides -

6

0

Height in centre ...

8

5

Pavement.





Width from the base in centre of northern front -

36

0

Supposing the rock to average eight feet over
the extent of base, the original quantity of
masonry would be - - 71,670,000 cubic feet,

Or,..... 5,309,000 tons.

Present quantity of masonry - 65,928,000 cubic feet,

Or, ..... 4,883,000 tons.

Acres. Roods. Poles.
Former extent of base - 11 1 38
Present extent of base - 10 3 30

THE THIRD PYRAMID.

[For a description of the Interior, see p. 72, &c. Vol. II.]

In order to obtain a level for the site of this Pyramid, instead
of lowering the rock towards the westward, a substruction, more
than ten feet in depth, has been laid in the opposite direction,
and particularly towards the north-eastwards, where the rock falls
considerably. This foundation is composed of two tiers of im-
mense blocks, and extends to a considerable distance beyond the