Print. Anamorphosis, 'A George on horseback drawn in Opticks',/ John Harris fecit ; S'H delin. - Published Jany 1st 1821 by RH Laurie 1821. Engraving, on paper 62x10cm. - Artists' names etched by hand within plate; text below in letterpress. - Anamorphosis with perspective in distortion, corrected when viewed from a side angle: 'Place the Letter A Close to your Eye and look on it as you do when you Fire a piece at a Mark'