This volume contains descriptions of coats of arms, including Benjamin Franklin's. The Franklin inscription is a forgery. At the end of this volume is a note and a printed map relating to the Mason and Dixon survey, taken from the "Philosophical Transactions."

By an unknown author, this notebook is of experiments and the history of experiments with electricity, containing references to Franklin, Beccaria, and Priestley, etc.

This treatise includes experiments on eletricity (with mentions of B. Franklin), ballooning (mentions of J. P. Blanchard), pharmacology, chemistr, and hydraulics. Included is a sketch of Woulfe's bottle for passing gases through liquids (Peter Woulfe, 1767).