CO NT INT.-. IX 



CHAPTER X. 



COPPERING. 



MM 



Intermediate Coppering Coppering of Zinc Coppering of Cast and 

 Wrought Iron Of the Importance of the Industry of Coppering on 

 Cast Iron Oudry's Coppering Process Oudry Junior's Coppering 

 Process Improvements Weil's Processes Gauduin's Direct 

 Process Socle" to" du Val d'Osne's Process Walenn's Process 

 Coppering of Cast-Iron Rollers for Calico Printing Wilde's Process 

 Schlumberger's Process Coppering of Telegiajih Wires Copper- 

 ing of Non-metallic bodies .. .. .. .. .. .. 1 ""' 



CHAPTER XL 



ELECTROPLATING AND ELECTROTYPING. 



Object of Electroplating Simple Bath Moulds in Plastic Material 

 Massive Electroplating Statuary or Relievo Electroplating 

 Qualities of Electroplating Copper Electrotyping Moulds, various 

 compositions Hydraulic Press for obtaining Moulds American 

 Machine for Plumbago Coating Baths for Electrotyping Modus 

 Operandi Duration of the Operation Finishing of the Electrotypes 

 Steel Coated Electrotypes 168 



CHAPTER XII. 



DEPOSITION OP VARIOUS METALS. 



Deposition of Alloys of Copper, Zinc, and Tin Salzde's Process 



Brassing Bath Bronzing Bath Brunei's Process Brassing 

 Baths Another Formula by the same Newton's Original Process 



Other Solutions by the same Deposition of Platinum, 

 Roseleur's Process Deposition of Platinum, American Process 

 Deposition of Lead, French Process- - Deposition of Lead, American 

 Process Deposition of Zinc Deposition of Iron Deposition of 

 Tin Roseleur's Process Fearn's Process Lobstein's Process 

 Maistrasse's Process Birgham's Process Obtaining Crystals of Tin 

 by means of Electrolysis Deposition of Antimony Deposition of 

 Cadmium Deposition of Cobalt Deposition of German Silver .. 182 



