CONTENTS. 
' * 
Pag&« 
Copper : 
Of the ores of copper .... 
. 2 
Of the assay and analysis of copper ores 
' * 
. 3 
Of the reduction or smelting of copper ores 
• 
. 23 
Of the refining of black copper 
• 31 
Properties of pure copper 
* 
. 51 
Preparation of sulphate of copper, or blue vitriol, 
52 
Verdigris 
» 
. 55 
Crystalized Verdigris, or acetite of copper 61 
Radical Vinegar 
• 
67 
Scheele’s & Brunswick Green— 
-Verditer 70 
Hatchett’s from brown prussiat of copper 
. 
. 71 
Alloys of Copper, viz. .... 
. 
. 73 
Brass: Orichalchum 
. 
. 73 
Prince’s metal, Pinchbeck, &c. 
. 93 
Mesure’s metal 
<*> 
. 91 
Bronze. Bell-metal 
. 98 
Speculum metal 
• 
100, 132 
Separation of copper from Bell-metal 
. 
. 101 
Tutenag. Peting .... 
9 
106, 107 
Bronze ...... 
9 
. 107 
Bronzing ...... 
a 
. 108 
Packfong, Ancient weapons 
a 
. 109 
Hardening copper with phosphorus . 
9 
. 109 
Ditto and whitening copper with arsenic 
9 
109, 110 
Plating copper with silver 
9 
. Ill 
Silvering copper various ways 
9 
. 112 
Platinating Copper .... 
a 
. 113 
Tinning Copper . . 
9 
. Ill 
Papers on ditto ..... 
9 
111, 125 
To separate copper from silver. M. Goetling’s method 125 
- — — — — * Mr. Keir’s method 127 
— — — — — Mr. Thompson’s method 129 
On rolling Copperplates • 127 
Copper precipitated by tin 112 
Brazing* 113 
Glazed Copper and Iron culinary vessels (Hicklin’s) 111 
