TYPE-CASTING MACHINES. 



183 



^Yonderful apparatus has a furnace for a heart and a melting-pot 

 for a stomach. The furnace, consisting of a series of gas-jets, and 

 the melting-pot, are in the lower part of the body of the machine. 

 In the pot, stereotype metal is melted. The pot is not very large, 

 because fresh metal may be put into it at any time when needed. 

 The same metal may be used over and over again as often as de- 

 sired ; it does not deteriorate. 



A jet of molten metal is thrown into the matrices by a torce- 

 pump worked by the automatic action of the machine. The 

 metallic fluid, hardening almost in an instant, a property ot 



The Typograph. 



stereotype metals, forms a solid cast or bar, on the face of which 

 is the line "new things come to pass," and the machine automat- 

 ically ejects this cast or bar of letters into a receiver, into which 

 it is followed line after line by new casts with wonderful rapidity, 

 until in a short space of time a column of reading-matter m bars 

 is ready for the press. The speed of the machine is measured by 



