19
帐幕各样用处的器具，并帐幕一切的橛子，和院子里一切的橛子，都要用铜做。
Four corners of the earth
In Revelation 7:1, this signifies all the whole spiritual world. It also signifies the whole of heaven in the effort to execute a last judgment on those stuck in the World of Spirits. (Apocalypse Revealed 342, Apocalypse Explained 417)
