<p>19th century photograph of the Idol stone at Brimham Rocks, North Yorkshire, England. 
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Note. There is something apparently significant about the bearded figure in Oxford bags, posing with the Idol rock, which was a matter of some discussion as to its origins, in the 19th century. It is possible that he was an academic writer or researcher on the subject.
Unknown author<span style="display: none;">Unknown author</span>
Scan of photograph from a collection lent to me for the purpose.