Thermometer, ca. 1760
Photo by Peter Harholdt, 2004
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Photo by Peter Harholdt, 2004

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"Philadelphia Portrait," The Historical Society of Pennsylvania, 1982
"Benjamin Franklin: In Search of a Better World," Benjamin Franklin Tercentenary traveling exhibition, 2005-2008
Related Publications

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)

A gift of Charles M. Morris. The barometer was examined in 1965 by Dr. Silvio Bedini, then Assistant Director of Smithsonian's Museum of History and Technology. He concluded that it could easily have belonged to Franklin but that, lacking other documentation, it was not possible to establish an unassailable association. Terms of Use Credits