CHAPTER VI.

_Various Qualities of Silver._

Mechanical Uses of Silver 52 Filigree Work 52 Birmingham 52 London 52 Indian 53 Chief Places of Filigree Manufacture 53 Continental Cheap Labour 54 Hand-made Articles 54 Process of Workmanship 55 Maltese Filigree 55 Chinese and Japanese Filigree 56 Filigree of Norway and Sweden 56 Filigree working, Necessity for Pure Metal 56 Old Method of making Filigree 57 Twisting of the Wire 58 Lathe, Use of 58 Flattening of Twisted Wire for Filigree 59 New Method of preparing Filigree Wire 59 English Standards for Silver 60 English Coinage 61 Standard Silver Alloy 61 Alloy for Hall-marking 62 Standard Alloy of the Highest Quality 62 Standard Alloy for Hall-marking 62 Alloy commonly used in England 63 Qualities used by English Silversmiths 63 Drawbacks to Hall-marking 63 Method of calculating the Qualities of Silver 63 Silver Alloy No. 1, cost 4_s._ 7_d._ per oz. 64 " No. 1, differently calculated 64 " No. 2, cost 4_s._ 1_d._ per oz. 64 " No. 2, differently calculated 64 " No. 3, cost 3_s._ 10_d._ per oz. 65 " No. 3, differently calculated 65 Silver Alloy No. 4, cost 3_s._ 7_d._ per oz. 65 " No. 4, differently calculated 65 " No. 5, cost 3_s._ 6_d._ per oz. 66 " No. 5, differently calculated 66 " No. 6, cost 3_s._ 3_d._ per oz. 66 " No. 6, differently calculated 66 " No. 7, cost 3_s._ 2_d._ per oz. 67 " No. 7, differently calculated 67 " No. 8, cost 3_s._ per oz. 67 " No. 8, differently calculated 67 Instructions in the Preparation of Alloys 68 Copper for Alloying 68 French Standards 69 Silver Ware 69 Coinage 69 French Alloy for Coinage 70 French Alloy for Plate 70 French Alloy for Silver Ware 70 Instructions in the Preparation of these Alloys 70 German Standards 71 Silver Ware 71 Coinage 71 Silver Alloy for the German Coinage 72 Alloy for Plate 72 Alloys for Silver Wares 72, 73 Law on the Manufacture of Silver Wares 73 Remedy allowed in Fineness 73 Government Exports 73 Guarantee Marks 73