Apparatus to show the flame and demonstrate the smell of 

 burning sulphur. 



Apparatus for showing approximately the specific gravity of 

 sulphuric acid. 



Specimens of : 



Roll sulphur. 



Flowers of sulphur. 



Native sulphur. 



Black oxide of manganese. 



Lead sulphide. (Galena.) 



Mercury sulphide. 



Rock salt. 

 Copper pyrites. 

 Antimony sulphide. 

 Iron pyrites. 

 Phosphorus. 

 Copper sulphate. 



Sulphuric acid. 



Apparatus for showing the solubility of ammonia gas in 

 water. 



Apparatus for preparing a solution of ammonia. 



Apparatus for showing that lime is soluble in water, while 

 limestone is not. 



Apparatus for showing the slaking of lime. 



Apparatus for showing that copper is not attacked by hydro- 

 chloric acid, but is dissolved when mixed with black oxide of 

 manganese and warmed. 



Apparatus for showing that ammonia alum contains alumina. 



Plate containing crystals of sulphate of potash from the 

 neutralisation of sulphuric acid by a solution of caustic potash. 



Apparatus for the reduction of oxide of iron to the metallic 

 state by a current of hydrogen. 



Apparatus for preparing ammonia. 



Apparatus for showing the formation of ammonium chloride, 

 and its volatility on being heated. The dish contains ammonium 

 chloride. 



Apparatus for showing the volatility of ammonia. 



Specimens of clay in different states : Clay in rough state. 

 Clay prepared for use. Clay kneaded into the form of a basin 

 to show that it will hold water. Three vases of clay. 



Apparatus for neutralising an acid by an alkali. 



Apparatus for showing that the liquid obtained by distilling 

 coal is alkaline. 



Specimens of: 

 Cadmium. 

 Zinc. 



Magnesium. 

 Tin. 



Gold leaf. 



Platinum foil and wire. 

 Manganese. 

 Ammonium chloride. 



Silica. 



Ammonia solution. 



Sodium crystals. 



Potassium crystals. 



Aluminium, shest and wire. 



Ammonia alum. 



Alumina. 



Antimony. 



