Hi Jon,

On page 65, Petrie gives the horizontal distance from the north base of the pyramid to the end of the ascending passage/north doorway of the grand gallery as 2907.3 inches.

On page 66, Petrie gives the horizontal distance from the north doorway of the grand gallery to the north wall of the queen's chamber at the side of the door as 1524.8 inches.

2907.3 plus 1524.8 = 4432.1 inches.

Since this is probably how Petrie calculated the horizontal distance of the north wall of the queen's chamber from the north base of the pyramid in his general summary of positions, it looks like a transcription error of the three to a zero.

Jim