Copy: Library of Congress
Passy April 29 1779
As you do my little Piece on the Aurora Borealis the Honor to suppose it may be agreeable to your philosophical Readers, I have requested M. Le Roi who read it at the Academy & has it in his Hands, to furnish you with a Correct Copy of it, which he has promised to do.1 With great Esteem I am &c
M. L’Abbé Rozier.
9. In answer to his of April 21.
1. Le Roy’s final manuscript has not survived, but one of his drafts is now at the Library of Congress. Rozier published the paper in the June issue of the Jour. de Physique. See above, XXVIII, 190–2.