Scientist and a pioneer in the study of electric and luminescent phenomena (1788–1878). ALS in French, signed “Becquerel,” one page, 4.5 x 7.25, no date. Letter to physician Henri Dutrochet. In full (translated): “I was waiting for you yesterday till 4 o’clock to continue our experiences; in case you couldn’t go tomorrow, Sunday, at the usual hour, do me a favor and write me a little word before.” Reverse of second integral page bears an address panel in Becquerel’s hand. In fine condition, with intersecting folds, one through a single letter of signature, and a mild shade of toning. RRAuction COA.
