[2] Make thee two trumpets of silver; of a whole piece shalt thou make them: that thou mayest use them for the calling of the assembly, and for the journeying of the camps. [3] And when they shall blow all the assembly shall assemble themselves to thee at the door of the tabernacle of the congregation. [4] And if they blow but with one trumpet, then the princes, which are heads of the thousands of Israel, shall gather