292 



SUBJECT INDEX 



44 



1885: 24 Johnson, Matthey and 

 Co. (iridiumr) 



45. WELDING platinum. 

 1863: 13 Griiel 



1878: 35 



1880: 14 Spring (in cold) 

 1884: 20 Seaman 

 1886: 23 Lake 



46. THEORETICAL RELATIONS 



of properties. 

 1826: 15 Berzelius 

 1845: 12 Kopp 

 1883: 21 Donath and Mayrhofer 



Platinum. 



1818: 8 Montizon 

 1827: 8 Osann 

 1846: 17 Play fair and Joule 

 1860: 17 Crossley 

 1867: 11 Jorgensen 

 1873: 13 Petterson 

 1873: 15 Bottone 

 1882: 34 Kalischer 

 1884: 28 Bidwell 

 1888: 48 Roberts- Austen (palla- 

 dium and rhodium) 

 1892: 28 Sayno 



47. CONDENSATION OF GASES 



on surface and attendant phe- 

 nomena (see also Condensa- 

 tion of hydrogen, 29) 



1834: 19 Faraday 



1858: 15 Phipson 



1874: 27 Deville and Debray 



1894: 35 Cailletet and Collar- 

 deau 



1894: 37 Berthelot 





