Exodus 30:19

“For Aaron and his sons shall wash their hands and their feet thereat.] Not in it, but at it; the laver had mouths or spouts, as Ben Melech says, from whence the water flowed when the priests washed their hands and feet at it; and so Bartenora says f890 they did not wash out of the laver, but from water flowing out of it; it is said “out of it”, not in it; it seems at first there were but two of these spouts; for it is said f891 Ben Katin made twelve spouts or cocks, which had but two before; so that twelve priests could wash their hands and feet at one time, and which they could do at once, presently, by putting the right hand on the top of the right foot, and the left hand upon the left…”

“Exodus 38:8. The bronze for the “Laver of brass” and its foot was supplied from the bronze mirrors of the women who voluntarily gave up these articles of luxury. Bronze mirrors were much used by the ancient Egyptians. No hint is given as to the form of the laver. The brazen sea and the ten lavers that served the same purpose in the temple of Solomon, were elaborately worked in artistic designs and are minutely described 1 Kings 7:23-29. Exodus 30:19 Wash their hands and their feet - On certain solemn occasions he was required to bathe his whole person Exodus 29:4; Leviticus 16:4. The laver must also have furnished the water for washing those parts of the victims that needed cleansing…”

“Exo 40:31, Exo 40:32; Psa 26:6; Isa 52:11; Joh 13:8-10; Co1 6:9-11; Tit 3:5; Heb 9:10, Heb 10:22; Rev 1:5, Rev 1:6 Exodus 30:20”