London: Published under the superintendence of the Society for the Diffusion of Useful Knowledge; Charles Knight & Co., no. 22 Ludgate Street. Dimensions: Sheet: 34 x 41.8 cm: Image: 28.7 x 38.3 cm. J. & C. Walker, Society for the Diffusion of Useful Knowledge Charles Knight & Co.; Charles Knight (British, 1791 – 1873) – publisher. J & C Walker (British firm, fl. 1820 – 1895) Walker, John (British, 1787 – 1873) Walker, Alexander (British, 1797? – 1870) Walker, Charles (British, 1799? – 1872) Society for the Diffusion of Useful Knowledge (SDUK) (British firm, 1826 – 1846)