Cultures of Invention: Exploring Tom Paine and His Iron Bridge in the Digital Age.

Discusses the author's recent findings while searching the digital database 'Early American Imprints,' created through a partnership between the American Antiquarian Society and Readex Corporation. While researching information on Thomas Paine's iron bridge design, the author uncovered references to the phrase in sources that might not have been considered. The findings help to support the thesis that Paine's iron bridge was part of a broader culture of invention during the 1780's-90's, while also illustrating the significance of electronic databases.