216 INDEX. 



PAOB 



Tea, Paraguay 186 



Thein 120 



Tin, analysis of metallic 50 



plate 51 



, alloys of. •. 64 



, compounds of. 131-132 



Tungsten and copper alloy 65 



Ultramarine, artificial 113 



Varnishes 153-155 



Ventilation and warming 21 



Vitrification 26-29 



Warming and ventilation 21 



Waste gases of blast furnaces 40 



Water, for manufacturing 91 



, tested 91 



, as a beverage 184 



, from sea-water 184 



, action on lead pipe 185 



Wax 161 



Welding powder 69 



Whale oil 158 



Wheat flour tested for corn meal 187 



White lead 108 



Wine, sulphuric acid in 183 



, efi'ect of oak casks on 183 



, sour, sweetened 184 



Wongshy 139 



Yellow dye, from chrome 141 



Zinc-ores in the United States 51 



and copper alloys 63-64 



and iron 67 



, amalgamated 71 



Zincking 83 



Zinc-white 105-107 



THE END. 



STBRBOTTPED BY L. JOHNSON AKD CO. 

 PHILADELPHIA. 



