Plunket Fleeson certifies that Nathan Sellers and Elizabeth Coleman Sellers intend to marry "within 40 Days" of April 1779.; American Philosophical Society
David Rittenhouse writes to Benjamin Franklin about a meteor that was observed in Philadelphia, Williamsburg, and other places. Rittenhouse describes how he calculated where the meteor had landed along with describing its qualities. Rittenhouse conveys his relief that it fell in an uninhabited place as he believed that it would have been devastating to human life if it had landed near Philadelphia or elsewhere.; American Philosophical Society
Richard Bache writes to Benjamin Franklin expressing his frustration over his letters not getting to Paris. He also writes to introduce and recommend a Colonel [Crime] to Franklin.; American Philosophical Society
Sarah Franklin Bache writes to Benjamin Franklin about the Newtown pippin grafts he will be receiving on the same boat.; American Philosophical Society
Robert Morris writes to Benjamin Franklin and includes an extract from a letter written by Thomas Jefferson in which he expresses a desire for a copying machine (presumably a letter copying press) that Franklin was using. Jefferson requests that Morris attempt to obtain one for him as well as a dozen reams of paper which he will pick up in Philadelphia in November. Morris sends the request to Franklin as he believes that Jefferson is wrong to think that England, over France, is the place to obtain one.; American Philosophical Society
Richard Bache writes and sends Benjamin Franklin circular letters relating to the beginning of businesses with connections to France, Spain, Holland as well as elsewhere.; American Philosophical Society
Sarah Franklin Bache informs Benjamin Franklin that the Vaughans have arrived in Philadelphia and are living with them.; American Philosophical Society
Francis Hopkinson sends a short note to Benjamin Franklin with an included unsealed letter that he requests be sealed and sent on to the addressee.; American Philosophical Society