Alfred Percival Maudslay,
A note on the position and extent of the great temple enclosure of Tenochtitlan…
(1912)
“ The edifice was of such a shape that from its foundation it diminished in size and became narrower as it rose in the shape of a pyramid, and at certain distances as it rose it had landing places like benches all around it. In the middle of the steps from the ground and foundation there rose a wall up to the summit and top of the steps, which was like a division that went between the two ascents as far as the patio which was on the top, where there were two great chambers, one larger than the other—the larger one to the south, and there stood the Idol Huitzilopochtli ”
