“ The earlier professors of the art claimed bonâ fide supernatural powers; and in ages when the most elementary principles of physical science were unknown beyond a very limited circle, it was not difficult to gain credence for such a pretension. The modern conjurer makes no such claim, but tells the public frankly that his marvels are illusory, and rest either on personal dexterity or on some ingenious application of natural principles. ”

“ There are, however, signs of a reaction in favor of more spectacular illusions in which the resources of optical and acoustic, as well as mechanical science, are laid under contribution in aid of conjuring proper. ”