Upper Pool in the Bible

“they came and stood by the conduit of the upper pool”

“Go out now to meet Ahaz, you, and Shearjashub your son, at the end of the conduit of the upper pool, on the highway of the fuller's field.,Then said the LORD unto Isaiah, Go forth now to meet Ahaz, thou, and Shearjashub thy son, at the end of the conduit of the upper pool in the highway of the fuller's field;, וַיֹּאמֶר יְהוָה אֶל־יְשַׁעְיָהוּ צֵא־נָא לִקְרַאת אָחָז אַתָּה וּשְׁאָר יָשׁוּב בְּנֶךָ אֶל־קְצֵה תְּעָלַת הַבְּרֵכָה הָעֶלְיוֹנָה אֶל־מְסִלַּת שְׂדֵה כוֹבֵס׃ ‬,Then said the LORD unto Isaiah: Go forth now to meet Ahaz”

“And the king of Assyria sent Rabshakeh from Lachish to Jerusalem unto king Hezekiah with a great army. And he stood by the conduit of the upper pool in the highway of the fuller's field.”