John Gills Exposition of the Bible Commentary - 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 F26 In Misn. Zebachim, c. 2. sect. 1. 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 F1 Misn. Yoma. c. 3. sect.... read more
Matthew Henry's Complete Commentary - Exodus 30:17-21
Orders are here given, 1. For the making of a laver, or font, of brass, a large vessel, that would contain a good quantity of water, which was to be set near the door of the tabernacle, Exod. 30:18. The foot of brass, it is supposed, was so contrived as to receive the water, which was let into it out of the laver by spouts or cocks. They then had a laver for the priests only to wash in, but to us now there is a fountain open for Judah and Jerusalem to wash in (Zech. 13:1), an inexhaustible... read more