text:  de Hertzfeldt--old Berlin acquaintance now Duke's mistress--much altered but still clever and agreeable--full of lamentations and fears--says the Duke has been cruelly used--abuses the king of Prussia--she always thought him a _bete_ and not a _bonne bete_--talks of the _Illumines_ and their sects--her apartment elegantly furnished and she herself with all the _appareil_ of her situation