w01 5/15 pp. 14-15:
As a large part of the audience stood up, Rutherford declared: “Behold! The great multitude!” There was a hush, followed by loud cheering. On the following day, 840 new Witnesses of Jehovah were baptized, most of these professing to be of the great crowd.
For Rutherford, they appeared whenever he wanted. He was "Da judge" for a reason....