A [[Third dynasty of Egypt|third dynasty]] diagram shows how to construct an elliptical vault using simple measures along an arc. The [[ostracon]] depicting this diagram was found in the area of the [[Step Pyramid]] in [[Saqqara]]. A curve is divided into five sections and the height of the curve is given in cubits, palms and fingers in each of the sections.<ref name="CR"/> |
A [[Third dynasty of Egypt|third dynasty]] diagram shows how to construct an elliptical vault using simple measures along an arc. The [[ostracon]] depicting this diagram was found in the area of the [[Step Pyramid]] in [[Saqqara]]. A curve is divided into five sections and the height of the curve is given in cubits, palms and fingers in each of the sections.<ref name="CR"/> |