The expositor, or, Many mysteries unravelled delineated in a series of letters between a friend and his correspondent : comprising the learned pig, invisible lady and acoustic temple, philosophical swan, penetrating spy glasses, optical and magnetic, and various other curiosities on similar principles : also, a few of the most wonderful feats as performed by the art of legerdemain, with some reflections on ventriloquism

"The expositor, or, Many mysteries unravelled delineated in a series of letters between a friend and his correspondent : comprising the learned pig, invisible lady and acoustic temple, philosophical swan, penetrating spy glasses, optical and magnetic, and various other curiosities on similar principles : also, a few of the most wonderful feats as performed by the art of legerdemain, with some reflections on ventriloquism"@en
"The expositor ; or Many mysteries unravelled. Delineated in a series of letters, between a friend and his correspondent. Comprising the learned pig, --invisible lady and acoustic temple, --philosophical swan, --penetrating spy glasses, optical and magnetic, and various other curiosities on similar principles : Also, a few of the most wonderful feats as performed by the art of legerdemain: with some reflections on ventriloquism"@en
"The expositor; or, Many mysteries unravelled. Delineated in a series of letters, between a friend and his correspondent, comprising the learned pig, invisible lady and acoustic temple, philosophical swan, penetrating spy glasses, optical and magnetic, and various other curiosities on similar principles: also, a few of the most wonderful feats as performed by the art of legerdemain, with some reflections on ventriloquism"@en