SOLDERING APPARATUS. 



179 



attached a blowpipe, and which is very highly 

 approved by operative chemists, and will be found 

 of equal value in the dental profession. 



In conclusion, I beg to thank you for the favour 

 allowed me, and shall be most happy to put my 

 apparatus to any test required by you. 



Mr. Mather then exhibited liis apparatus in action. 



Fig. 19. 



A. The boiler in which the steam is generated tty a Bunsen's burner C, which burner 

 superheats steam as it passes through pipe H, to soldering burner D. 



B is a reserroir to supply boiler, which is done by turning stopcock E when required. 

 The stopcock F regulates the supply of gas under boiler, increasing or decreasing pns- 

 ture at will. That marked G regulates the soldering burner. 



N 2 



