148 



INDEX. 



Evils by dipping articles partially ' 

 coated with silver, 112. 



Fallacy of the compound-cell system, 

 71. 



Faraday's nomenclature, 23. 



Keport to Harbour of Eefuge 



Commissioners, 101. 



Theory of Electrolysis, 139. 



Ferrocyanide of Copper, to make so- 

 lution, 94. 



First published description of Electro- 

 metallurgy, 6. 



Figures, moulding of, 59. 



covering with copper, 59. 



and Busts, how made, 62. 



from Elastic Moulds, 64. 



Fourcroy, 2. 



Forks and Spoons plated by Old Pro- 

 cess, 121. 



Flowers, coating of, 62. 



Fusible Metal Moulds, 55. 



Fusible Alloy Moulds from plaster, 58. 



Galvanometers, 46. 



Galvanic Protection of Metals, 100. 



Soldering, 84. 



Principles and rate of protec- 

 tion, 101. 



Protection, none in air, 102. 



Action between the Silver and 



Copper in Dipping, 112. 

 Gilding in 1805, Brugnatelli's ex- 

 periments, 2. 



Electro, 127. 



process of, 128. 



how to regulate the colour of, 



130. 



by Mercury, 131. 



practical suggestions on, 133. 



Gilt Articles, colouring of, 131. 



Glyphography, 80. 



Instruction in, 82. 



Glass and Porcelain, coating of, 83. 



preparation of, for coating, 83. 



Gold, reduction of, by phosphorus, 63 

 preparing Solution of, 128. 



Strength of Solution, how main 



tained, 130. 



dissolving from gilt articles, 131 



quantity necessary to deposit 01 



some articles, 134. 

 Graham's Prof., Nomenclature, 24. 

 Theory of Electrolysis, 140. 



Graham's Green Bronze, 89. 



Grove's Battery, how constructed, 38. 



properties of 39. 



Gutta Percha Moulds, 55. 



used as a varnish, 84. 



Health, effects on, of the Mercury 

 Gilding, 132. 



of breathing cyanogen fumes, 



132. 



History of the Art of Electro-Metal- 

 lurgy, 1. 

 Historical Anomaly relative to the 



Discovery of the Art, 8. 

 Hyposulphite of Soda, preparation of, 



106. 

 Silver Solution, 106. 



mpurities in Sulphate of Copper, 47. 



Cyanide of Potassium, 93. 



"nfluence of Galvanism in Protecting 

 Metals, 100. 



'ntensity explained, 73. 



Table of relative Batteries, 74. 



instruction to Amateurs in Glypho- 

 graphy, 82. 



.llustration of Conduction, 97. 



ron, Action with Sulphate of Cop- 

 per, 91, 139. 



preparation of, for coating, 95. 



shaft covered with copper, 97. 



Wire drawn after coating, 98. 



Bolts and Nails coated, and 



driven into wood, 98. 



Coated with Zinc, 98. 



Solution for dissolving Copper 



from Silver, 123. 



Gilding of 129. 



Coated with Platinum, 135. 



Coating of other metals with, 



136. 



Jacobi's Experiments in Deposition, 5. 



Jordan's Experiments in Deposition, 5. 



Jacobi's, Jordan's, and Spencer's re- 

 spective claims to originality, 8. 



Kind of Solutions to be used for coat- 

 ing metals, 91. 



Lace covered with Copper, 78. 

 Laws regulating depositions, pointed 

 out by Spencer, 10. 



of Deposition, 19. 



claimed by Smee, 19, 20. 



