INDEX 



ACCLIMATIZATION in colloid systems, 



236 

 Acid, ellagic, 29 



gallic, 29 



sulphurous, 227, 243 

 Acid process for bone gelatine, 243 

 Acids, for deliming, 23 



for pickling, 114 



in sour liquors, 29, 44 

 Adsorption, law of, 43 



methods of clarification, 234 



nature of, 41 



of ions by gelatine, 211 

 African hides, 15 

 Albumins, 4, 240, 274, 277 

 Algarobilla, 32 

 Alum, 236, 240 

 American hides, 14 

 Animal excreta, 279 

 Arsenic sulphide, 20 

 Asiatic hides, 14 

 Astringency of liquors, 44 



BACTERIA in soaks, 16 



limes, 20 



bates, 24 



tan liquors, 29 

 Bag leather, 86 

 Band-knife splitting, 52 

 Bark, hemlock, 34, 40 



mallet, 34 



mangrove, 35, 41 



mimosa, 33 



oak, 34 



pine, 34, 41 



willow, 32 

 Basic dyestuffs, 97 

 Basils, 115 

 Bating, 24, 94 

 Belting leather, 65 

 Blair-Campbell evaporator, 249 

 Bleaching leather, 62 



glue, 241 



Block Gambier, 40 

 Bloom, 29 

 Boiling process for glue, 223 



Bone gelatine, 223 



manure, 273 

 . meal, 224 

 Bones, 223 

 Bookbinding leather, 104, 106, 117, 



120 



Boric acid, 23 

 Bottle tannage, 103 

 Box calf, 156 

 Bridle leather, 71 

 British hides, 8 

 Brushing leather, 63 

 Buck leather, 181 

 Buff leather, 181 

 Buffing, 52 

 Burning in, 54 

 Butt, 22 



Bye-products of the gelatine trade, 

 272 



of the leather trades, 268 



CALCIUM sulphydrate, 22 

 Calf skins, 76, 120, 156 

 Casein, 276 

 Cast glue, 257 

 Catechin, 32 

 Catechol tans, 32 

 Caustic soda, 18, 20 

 Centrifugal fan, 50 

 Chamois leather, 181 

 Cheeks, 268 



Chemistry of colloids, 201 

 Chestnut extract, 36 

 Chlorine bleach for glue, 246 

 Chrome calf, 156 



goat, 163 



hide, 170 



sheep, 163 

 Chrome tannage, 127-174 



finishing operations, 153 



general methods, 139 



history of, 127 



one bath, 149 



special qualities of, 136 



theory of, 129 



two-bath process, 142 



