The introduction of Jacob’s ladder into the symbolism of speculative freemasonry is to be traced to the vision of Jacob, which is thus substantially recorded in the 28th Chapter of Genesis.
When Jacob, by command of his father, Isaac, was journeying towards Padan-aram and one night slept with the bare earth as his couch and a stone for his pillow, he beheld the vision of a ladder whose foot rested on the earth and whose top reached to heaven.
Angels were continually ascending and descending upon it and promised him the blessing of a numerous and happy prosperity.
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2003 - Ascension On Jacob’s Ladder - Bro Merv Gollan.