---- bistre, 101 ---- bitumen, 101 ---- bone, 102 ---- cappagh, 102 ---- Cassel earth, 102 ---- chicory, 102 ---- Cologne earth, 102 ---- manganese, 103 ---- Mars, 103 ---- Prussian, 103 ---- Rubens, 102 ---- sepia, 104 ---- ulmin, 105 ---- ultramarine, 88 ---- umbers, 105 ---- Vandyke, 107 Brunquell on prussiate, 59 Brunswick blue, 64 ---- green, 113 ---- ---- characters, 118 ---- ---- dry method, 117 ---- ---- testing, 118 ---- ---- wet method, 115 Brushes, 355 ---- keeping, 355 Buckley’s prussiate works, 59 Cadmium Yellow, 258 Cæruleum, 27 Calcining lamp-black, 23 Calcium hyposulphite, preparing, 139 ---- polysulphide, preparing, 139 Candle black, 25 Candle-nut oil, 298 Cappagh brown, 102, 106 “Carbon” black, 19 ---- pigments, 5 Carbonising bones, 7 Carminated lake, 283 Carmine lake, 283 Carriages, painting, 361 ---- varnishing, 365 Cars, painting, 361 ---- re-varnishing, 367 ---- washing, 367 Cassel earth, 102 Cassius purple, 143 Cawk, 170 Central American indigo, 47 Cerchione, 273 Chalk, 246 Charcoal black, 25 Charlton white, 172, 254 Chicory brown, 102 China clay, 172 ---- ---- artificial, 182 ---- ---- characters, 182 ---- ---- drying, 175, 181 ---- ---- waste products, 179 ---- ---- works, 173 Chinese blue, 65 ---- green, 118, 129 ---- red, 144, 185 ---- vermilion, 157 Chromates, iron, 267 ---- lead, 260 ---- zinc, 268 Chrome greens, 113, 118, 125 ---- orange, 144 ---- red, 144, 145 ---- yellows, 258 Chromes, characters, 266 Clark’s paint mill, 341 Coaches, painting, 361 ---- re-varnishing, 367 ---- varnishing, 365 ---- washing, 367 Coal black, 25 Coal-tar black, 14, 15, 21 Coats of paint, 355 Cobalt benzoate, 318 ---- blues, 27, 28 ---- borate, 318 ---- greens, 119 ---- ore furnace, 31 ---- oxide blue, 28 ---- pink, 144 ---- red, 144 Cochineal lake, 284 Cœruleum blue, 37 Coke oven black, 16 Colcothar, 145, 150 Cologne earth, 102 Colour and aggregation of particles, 2 ---- ---- chemical composition, 2 ---- ---- light, 1 ---- causes, 1 ---- defined, 1 ---- destruction, 2 ---- of pigments, testing, 293 ---- sense, 1 Condenser, fume, 216 Condensing smoke, 13, 15, 17 Condy’s white lead, 197 Copper blues, 34 ---- carbonate, 40 ---- greens, 121, 130, 131 ---- hydrated oxide, 34, 41 ---- nitrate, 36 ---- sulphate dryer, 325 Cork black, 25 Cornish umber, 107 Cotton seed oil in linseed oil, 301 Covering power of pigments, 293 Cracking, causes, 363 Creosote oil black, 21 Crucibles for roasting smalts, 32 Cuttle fish brown, 104 Cyanogen in prussiate making, 58 Cyprus earth, 134 Dammar vehicles, 296 Derby red, 145 Derbyshire umber, 106 Discoloration of paint, 356 Douglas green, 120 Drop black, 11 Dryers, 295-338, 365 Dryers, benzoates, 318 ---- Blenkinsop and Hartley’s, 335 ---- borates, 318 ---- chemical action of, 322 ---- ---- ---- in oils, 330 ---- cobalt benzoate, 318 ---- copper sulphate, 325