’ 
4 
126 Scientific Intelligence. 
tus connected with the burner. Each pipe connects with a short brass 
together. The ints downward. The platinum scraps are first com- 
in an iron mould into cylindrical cakes of the weight of 3 or 4 
ounces each r three of these are set upon a thin flat fire-brick, 
appearance of the purest white, like that of silver, and soon the whole 
is melted into one mass; but so great is its infusibility, that it chills 
before it can flow off the flat surface of the fire-brick. It cannot, there 
jore, be cast in a monld. For the uses to which platinum is applied, 
this, however, is of no consequence, as the cake of metal is easily lam- 
mered into any desired shape, or may be rolled at once into plates, or cut 
and drawn into wire. With the apparatus of the Drs. Roberts 53 ounces 
. vr A 
this question, which was discussed in our columns some time since, - 
ient to produce immediate death tat 
ean any longer be entertained of the penniene Se 
eae 3 = x 
