Joseph Smith could see things through "very clear stone."
W.R. Hine's statement in Arthur Deming, Naked Truths About Mormonism 1:1 (Jan. 1888): 2.
Jo Smith claimed to be a seer. He had a very clear stone about the size and shape of a duck's egg, and claimed that he could see lost or hidden things through it. He said he saw Captain Kidd sailing on the Susquehanna River during a freshet, and that he buried two pots of gold and silver. He claimed he saw writing cut on the rocks in an unknown language telling where Kidd buried it, and he translated it through his peep-stone. I have had it many times and could see in it whatever I imagined. Jo claimed it was found in digging a well in Palmyra, N.Y. He said he borrowed it.
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