18
And he said to me, Son of man, thus saith the Lord God of Israel; These are the ordinances of the altar in the day of its being made, to offer upon it whole-burnt-offerings, and to pour blood upon it.
16
And the altar of the length of twelve cubits, by twelve cubits , square upon its four sides.
17
And the mercy-seat fourteen cubits in length, by fourteen cubits in breadth on its four sides; and a border to it carried round about it of half a cubit; and the rim of it a cubit round about; and the steps thereof looking eastward.
18
And he said to me, Son of man, thus saith the Lord God of Israel; These are the ordinances of the altar in the day of its being made, to offer upon it whole-burnt-offerings, and to pour blood upon it.
19
And thou shalt appoint to the priests the Levites of the seed of Sadduc, that draw nigh to me, saith the Lord God, to minister to me, a calf of the herd for a sin-offering.
20
And they shall take of its blood, and shall put on the four horns of the altar, and upon the four corners of the propitiatory, and upon the base round about, and they shall make atonement for it.
The Brenton translation of the Septuagint is in the public domain.