About 1817, he invariably passed two afternoons a week in a house in his own neighborhood, in the Rue Férou, with Madame la Baronne de T. , a worthy and respectable person, whose husband had been Ambassador of France to Berlin under Louis XVI . Baron de T. , who, during his lifetime, had gone very passionately into ecstasies and magnetic visions, had died bankrupt, during the emigration, leaving, as his entire fortune, some very curious Memoirs about Mesmer and his tub, in ten manuscript volumes, bound in red morocco and gilded on the edges. Madame de T. had not published the memoirs, out of pride, and maintained herself on a meagre income which had survived no one knew how.