An exhibition of 'Pepper's Ghost' in the theatre, circa 1865. This optical effect using mirrors was invented by Henry Dircks and further developed by John Henry Pepper. Published in 'The World Of Wonders'. (Photo by Archive Photos/Getty Images)
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January 21st, 2019
Viewed 1 Time - Last Visitor from Mount Laurel, NJ on 01/26/2019 at 7:11 PM