COMPOUNDING OF METALS. 



Take of copper a pound and a half, tin four ounces, 

 brass twp ounces ; make a plate of them burnished. 



Take of silver two ounces, tin half an ounce ; make 

 a little say-cup of it, and burnish it. 



To enquire of the materials of every of the kind of 

 glasses coarser and finer, and of the proportions. 



Take an equal quantity of glass-metal, of stone cal- 

 cined, and bring a pattern. 



Take an ounce of vitrified metal, and a pound of 

 ordinary glass-metal, and see whether they will incor- 

 porate ; and bring a pattern. 



Bring examples of all coloured glasses, and learn the 

 ingredients whereby they are coloured. 



Enquire of the substance of galletyle. 



