French Catalan mathematician, physicist, astronomer and politician (1786-1853). ALS in French, signed “F. Arago,” one page, 7 x 8.25, May 29, 1829. Letter to a notary. In part: “After long reflection, I decided to use your services to borrow, to give money back to my brother. Please try for me.” Scattered light toning and soiling, intersecting folds, and paper loss to right edge, otherwise fine condition. RRAuction COA.
