Emblem of pure Pantheism and the Four Elements, the Hammer of Creation suggesting a continual revolution of the unmanifested Kosmos and manifested cycles of time, world 神 会徽 深奥 纳粹包围旋转左
True Length of a Line by Rotating its Projection -- wahre Länge einer Linie in der Grundrißebene durch prarallel drehen in der Aufrißebene 几何 画法几何 通过旋转其 Projection.1 一线的真实长度