Top portion of a lightning rod, ca. 1756
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  Photo by Peter Harholdt, 2004 |
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 "Benjamin Franklin: In Search of a Better World," Benjamin Franklin Tercentenary traveling exhibition, 2005-2008 
 Talbott, Page, ed., Benjamin Franklin: In Search of a Better World (New Haven and London: Yale University, 2005) (companion book to exhibition of same title) Fig. 5.38.
 Given as a gift by Mrs. Edgar Baird, 117 Bethlehem Pike, Chestnut Hill, PA, before March 14, 1933. |
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