LS, DLC, Peter Force Collection, Papers of John Paul Jones, no. 6723. Addressed: “To/Mr. jones Esqr/Capne of the Ranger/actually/At Brest.” Docketed: “from Monsr LeRoy/Pont L’Abbée April 1778/ recd. Brest April 8th. 1778.” Jean-Baptiste Le Roy (1720-1800) was a member of the French Academy of Sciences and a friend of Benjamin Franklin’s. A scientist, he had carried out studies on electricity that promoted Franklin’s theories.