"Benjamin Franklin: In Search of a Better World," Benjamin Franklin Tercentenary traveling exhibition, 2005-2008
Lindsey, Jack L., Worldly Goods: The Arts of Early Pennsylvania, 1680-1758 (Philadelphia: Philadelphia Museum of Art, 1999)
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)
This machine was among the pieces of scientific equipment owned by Franklin at his death, and was given by his grandson, Benjamin Franklin Bache, to the Library Company of Philadelphia. It is not yet determined what degree Ebenezer Kinnersley and Philip Syng, Franklin's associates in some electrical experiments, participated in its design.