300 



SUBJECT INDEX 



1866: 21 Wittstein 



1S68: 12 Vog-el 



1873: 16 Stolba 



1873: 17 Mohr 



1874: 33 Smith (gold lined) 



1892: 5 Heraeus (gold lined) 



1878: 33 Gooeh 



1888: 39 Morse and Burton 



1889: 22 von Jiiptner 



1891: 3G Warren 



1894: 30 Petrzilka 



Mending crucibles. 

 1878: 33 Garside 

 1884: 20 Seaman 

 1885: 28 Pratt 

 1885: 29 G. T, H. 

 1889: 40 Pratt 



Loss of weight of crucibles. 

 1880: 34 Beilstein 

 1888: 38 Vieth 



Cleaning crucibles. 

 1846: 18 Tonnelier 

 1860: 19 Erdmann 

 1S()0: 20 F. G. 

 1866: 4 Sonstadt 

 1870: 23 Stolba 

 1876: 39 Stolba 



Eemoving melt from crucibles. 

 1876: 38 Stockmann 

 1888: 34 de Koninck 



60. PLATINUM VESSELS. 

 1785: 1 Morveau 

 1787: 1 Morveau 

 1787: 2 Morveau 

 1790: 4 Lavoisier 

 1790: 5 E. 



1792: 3 BertholletandPelletier 

 1813; 6 Neumann 

 1814: 9 Dobereiner 

 1814: 10 Joris 

 1821: 10 Seebeck 

 1828: 23 D'Arcet 

 1830: 13 Faraday 

 1831: 26 Stieren 

 1832: 18 Bischof 

 1844: 16 Pleischl 



1870: 26 



1877: 35 Prentice 

 1878: 35 



Filters. 



1857: 18 Mosander 

 1876: 37 Jago 

 1881: 33 Casamajor 



