Exodus 38:6-8

Revised Standard Version

⁶ he made the poles of acacia wood, and overlaid them with bronze. ⁷ And he put the poles through the rings on the sides of the altar, to carry it with them; he made it hollow, with boards.

⁸ And he made the laver of bronze and its base of bronze, from the mirrors of the ministering women who ministered at the door of the tent of meeting.