Autor:	Bolas, Thomas, Taylor, Alderman, Hurst, George, Cresswell, C. N., Mellis, J. C., Manchester, J., Burton, Gus. M., Anderson, E. Preston, Sewell, Robert, Birley, Herbert, Ruspini, Frank Orde, Stevenson, George Wilson
Zdroj:	The Journal of the Society of Arts, 1878 Jul . 26(1340), 803-816.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/41326391 Zobrazit plný text záznamu