9. stones--to be laid as the foundation beneath Nebuchadnezzar's
throne
(Jer 43:10).
clay--mortar.
brick-kiln--Bricks in that hot country are generally dried in the
sun, not burned. The palace of Pharaoh was being built or repaired at
this time; hence arose the mortar and brick-kiln at the entry. Of the
same materials as that of which Pharaoh's house was built, the
substructure of Nebuchadnezzar's throne should be constructed. By a
visible symbol implying that the throne of the latter shall be raised on
the downfall of the former. Egypt at that time contended with Babylon
for the empire of the East.
JFB.
Picture Study Bible