SECTION IV. — BIOGRAPHY. 22/ 



Nicholson, Edward Chambers. 



Obituary. J. Chem. Soc, London, lx, 464 (i8gi). 



Nickels, Benjamin. 



Obituary. J. Chem. Soc, London, lvu, 452 (1890). 



NiCKLES, J. Vie et bibliographic de Henri Braconnot, sc-g Braconnot, H. 



NiEPCE, NiCEPHORE. Sc'e, in Section III, Eder, J. M., Geschichte der Photochemie ; 

 also, Niepce, Isidore. 



NiEPCE, NiCEPHORE. 



* Davanne, a. Nicephore Niepce, Inventeur de la photographie. 

 Conference faite a Chalon-sur-Saone pour I'inauguration de la 

 statue de Nicephore Niepce le 22 Juin, 1885. Paris, 1885. pp. 33, 

 8vo. Heliotype of statue. 



*FouQUE, Victor. La verite sur I'invention de la photographie. 

 Nicephore Niepce, sa vie, ses essais, ses travaux, d'apres sa corre- 

 spondance et autres documents inedits. Paris, 1867. pp. 282, 8vo. 



With portrait-bust and facsimile. The author claims the invention of pho- 

 tography for Niepce and strongly attacks the claims of the friends of 

 Daguerre for that honor. The author bases his statements on auto- 

 graphic letters, loi in number, not before published. The volume 

 contains a biography of Niepce. 



NoAD, Henry Minchin. 



Obituary. J. Chem. Soc, London, xxxiii, 233 (1878). 



NoRTHCOTE, Augustus Beauchamp. 



Obituary. J. Chem. Soc, London, xxiii, 299 (1870). 



Norton, John Pitkin. 



Obituary, Am. J. Sci. [2], xiv, 448, Nov., 1852. 



Memorials of J. P. N., late Professor of Analytical and Agricultural 

 Chemistry in Yale College, New Haven, Conn. Published for 

 private distribution. Albany, 1853. pp. 85, 4to. Portrait. 



Oersted, Hans Christian. 



Obituary. Am. J. Sci. [2], xii, 147, Nov., 185 1. 



Oppenheim, Alphons. See Engelbach, Theophil. 



Oppenheim, Alphons. 



Hofmann, a. W. Nekrolog auf Oppenheim. Ber. d. chem. Ges., 



X, p. 2262 (1S77). 

 Obituary. Chem. News, xxxvi, 151 (1877). 



