Print. The Kentish Hop Merchant and the Lecturer on Optics !! / I.C. [Isaac Cruikshank]; Woodward del. - Published by T. Tegg, 111 Cheapside [London], n.d. [1809]. Etching, hand col; image 21x32.5cm, sheet trimmed to 23x32.5cm. The perils of scientific lecturing. In candle light is a lecturer in spectacles, at table with a telescope and magic lantern, addressing a small assorted and refined audience including women and a dog; he is punningly misheard by country merchant