print. etching, on laid india. William Hyde Woollaston MD FRS [sic] / Drawn by Sir Thos Lawrence PRA; Engraved by F C Lewis. Proof. London. Published June 21st. 1830, by W.B. Tiffin, 3, Haymarket. 1830. [cut to] 43x31cm., platemark 38x28.9cm After the [chalk] drawing by Lawrence at Althorp, Northants. - Mark : embossed WBJ in circle. - Portrait, HS, vignette. Wollaston, William Hyde 1766-1828, physiologist, chemist, physicist. Lewis, Frederick Christian 1813-1875.