In February 1891 apprentice sailor James Bartley 1870 - 1909) of the whaling ship Star of the East, was swallowed by a whale near the Falkland Islands. The whale was killed with harpoons and Bartley was taken out alive after 15 hours in the stomach:
The sailors had much difficulty in restoring him to consciousness. It was not till three months nursing that James Bartley recovered his reason. (Hastings et al 1902)
This seems like a pretty tight citation. I think that is what ken is trying to say. Jonah got swallowed up. Just like this guy.
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