Exodus 30:17-19

American Standard Version

¹⁷ And Jehovah spake unto Moses, saying, ¹⁸ Thou shalt also make a laver of brass, and the base thereof of brass, whereat to wash. And thou shalt put it between the tent of meeting and the altar, and thou shalt put water therein. ¹⁹ And Aaron and his sons shall wash their hands and their feet thereat: