The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 390
exhibitsthis mode of construction. In its present form it rather resembles ahuge square tower, the walls of which are slightly inclined, than apyramid : the outer layers having been mostly removed, the core orcentral part is left standing alone. In short, in the examination of agreat number of… … small pyramid B B B, built over it: by filling up the angles of the steps,and adding the fine smooth casing stone, this small pyramid would becompleted; but if it were desired to enlarge the work, instead offilling up the angles to prepare for the casing, another step, of thesame height and depth…
Architecture · Civil engineering · Science
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