RLH Wrote:
-------------------------------------------------------
> Hi MJ
>
> Thanks for great reply! It was my misunderstanding
> due to not reading more! I should have! I was just
> thinking if it was only mud then Petrie would have
> removed it, a mistake on my part! Please don’t go
> to any great length to type in other description,
> I trust your relaying what was written.
>
> Also from a different posting of yours about the
> measuring of the DP this might apply?
>
> I have not read M&R so I don’t know how they
> determined the length of the descending passage.
>
> I do know Petrie and others loosely use the
> thickness of the 19th core stone level to project
> out to where the entrance might have been on the
> casing stones.
>
> I’m unsure but it may apply.

Hello RLH,

My understanding of the situation is that the actual vertical height of the DP and the actual gradients of the DP and the Pyramid's north face around the area of the DP predict an entrance height and course height of around 37.7" at the face of the Pyramid
Other measurements from the DP and the line of the north side at the base predict an entrance in the region of 667" to 669" above the base.
At the NE corner of the Pyramid the 19th course is 38.1" high and 667.4" above the base.
According to Petrie's figures, horizontally from the north side of the base to the foot of the entrance is 526.3" +/- 0.67"

MJ

We can't all be right, but we could all be wrong ...