HYDROSTATICS. 



12S 



Pure silver, cast, - 



. hammered, 



Standard silver in coin, 

 Lead, fused, - 



Bismuth, - 

 Nickel, - 



Brass, cast, - 



' in wire, - 



Cobalt, - 



Copper, fused. - 

 — — — drawn into wire, 

 Tin, English, fused, 



, hammered, 



Malacca tin, fused, 



■ — hammered, 



Iron, cast, - 



bar, - 



Steel, soft, and not hammered, 



hardened, 



Zinc, - 



Manganese, - 



Antimony, - 

 Tungsten, - 

 Tellurium, - 

 Molybdena, - 



Arsenic, - 

 Zircon, - 



Barytes, - 



Strontian, - - ; 

 Corunda, - 

 Silex, - 

 Magnesia, - 

 Lime, - 

 Alumine, ,- 

 Oriental ruby, 

 Garnet, - 



10.474. 

 10.511 

 10.391 

 11.352 

 9-823 

 8.660 

 8.396 

 8.544 

 7.812 

 7.788 

 8.878 

 7-291 

 7-299 

 7.296 

 7-306 

 7.207 

 7-788 

 7.840 

 7-816 

 7-191 

 6.850 

 6.702 

 6.678 

 6.115 

 6.000 

 5.763 

 4.300 

 4/200 

 3.700 

 3.000 

 2.660 

 2.300 

 2.300 

 2.000 

 4.283 

 4.188 



