John Gills Exposition of the Bible Commentary - Exodus 30:1
And thou shalt make an altar to burn incense upon ,.... The Targums of Onkelos and Jonathan call it incense of spices, properly enough, for it was made of various spices; of which see Exodus 30:34 and this was necessary on a natural and civil account, to remove those ill smells from the sanctuary, occasioned by the number of beasts continually slain in it; but chiefly on a religions account, to denote the acceptableness of the service of the sanctuary to God: of shittim wood shall thou... read more
Matthew Henry's Complete Commentary - Exodus 30:1-10
I. The orders given concerning the altar of incense are, 1. That it was to be made of wood, and covered with gold, pure gold, about a yard high and half a yard square, with horns at the corners, a golden cornice round it, with rings and staves of gold, for the convenience of carrying it, Exod. 30:1-5. It does not appear that there was any grate to this altar for the ashes to fall into, that they might be taken away; but, when they burnt incense, a golden censer was brought with coals in it,... read more