Exodus 40:29-31

Young's Literal Translation

²⁹ and the altar of the burnt-offering he hath set at the opening of the tabernacle of the tent of meeting, and causeth the burnt-offering to go up upon it, and the present, as Jehovah hath commanded Moses.

³⁰ And he putteth the laver between the tent of meeting and the altar, and putteth water there for washing,

³¹ and Moses and Aaron and his sons have washed their hands and their feet at the same;