The chambers of Jehovah, as mentioned in Psalms 104:3, signify the heavens and the church.

(Referenties: Apocalypse Explained 594)

43. From the foregoing it can now for the first time be seen that Divine love and wisdom in themselves are substance and form, for they are being and expression itself; and that if they were not such a being and expression as to be substance and form, they would be only a figment of the imagination, which in itself is not anything.