Later, with the issue of December 15, 1919, the Watch Tower magazine once again announced its publishers’ address as being 124 Columbia Heights, Brooklyn, New York.
... 15. All that restoration work was in fulfillment of what that had been foretold by God’s prophets, and it was part of “the sign” foretold by Jesus to indicate what?
15 All that restoration work, on a small scale at the beginning, was the postwar start of “the times of restoration of all things of which God spoke through the mouth of his holy prophets of old time,” to mark the invisible return and presence of the glorified Jesus Christ. (Acts 3:21)