BIOGRAPHICAL INDEX 



ALBERTUS MAGNUS (1205-1280). Mercury, sulphur and salt, 



222, 448 



AMPERE, ANDRE MARIE (1775-1836). Fluorine, 235 



1816. The ammonium radical, 267 

 ARISTOTLE (384-322 B.C.). Earth, air, fire and water, 112, 



222, 448 



ARMSTRONG, H. E. 



1885. Chemical change as reversed electrolysis, 534 ; hydro- 

 gen and oxygen not explosive, 535 



1901. Periodic classification, 465 



AVOGADRO, AMADEO, b. 1776, Turin; d. 1856, Turin. Pro- 

 fessor of Physics in the University of Turin 



1811. Avogadro's hypothesis, 338; elementary molecules 

 divisible, 339; composition of water, 341, nitric 

 oxide, ammonia and muriatic acid, 342 

 BAKER, H. B. 



1888. "Combustion in Dried Oxygen," sulphur and phos- 

 phorus distilled, and carbon heated in dry oxygen, 



53i 



1894. " Influence of Moisture on Chemical Change." Dis- 

 sociation of sal-ammoniac, 528, nitric oxide and 

 oxygen, 530 



1900, Dissociation of calomel, 529 



1902. Dried hydrogen and oxygen not combustible, 531 

 1907. Vapour-density of dry nitrous anhydride, 530 

 1912. Boiling-point of dried N 2 O 3 and N 2 C 4 , 530 



BALARDJ ANTOINE JEROME (1802-1876) 



1826. Discovery of bromine, 240 

 BARKER, T. V. Isomorphism, 382 

 BARLOW, W., AND POPE, W. J. Structure of crystals, 441 



539 



