- tetragonal pyramids

Материал из StudioSyndrome
Перейти к навигации Перейти к поиску

TETRAGONAL PYRAMIDS. Piles are generally considered to represent wedges ; but they are sometimes borne triangular, and also square, in which latter case they may be termed square piles, or tetragonell pyramids reversed. P. 6, f. 40. (ELVN)