Exodus 40:30 in the King James Version
And he set the laver between the tent of the congregation and the altar, and put water there, to wash withal.
Context
29 He set the altar of burnt offering at the door of the tabernacle of the Tent of Meeting, and offered on it the burnt offering and the meal offering, as the LORD commanded Moses.
30 He set the basin between the Tent of Meeting and the altar, and put water therein, with which to wash.
31 Moses, Aaron, and his sons washed their hands and their feet there.