2 8 4 



INDEX 



Clarification of gelatine, 234 

 Coefficient of conductivity, 253 

 Colloid chemistry, 201 

 Combination tannages, 191 

 Concentrated foods, 275 

 Condenser water, 251 

 Conductivity coefficient, 253 

 Continental hides, 14 

 Crown leather, 178 

 Cube gambier, 40 

 Curing hides, drying, 13 



drysalting, 13 



freezing, 13 



salting, 12 



sterilizing, 14 

 Currying, 49 

 Cut glue, 257 



DECOLORIZATION of glue, 238 

 Deerskins, 92, 181 

 Degreasing bones, 224, 227 



leather, 115 

 Deliming, 23 

 Depilation, 19 

 Divi-divi, 32 

 Dongola leather, 191 

 Drenching, 26, 95 

 Dressing leather, 24, 65-92 

 Drum stuffing, 53 



tanning, 63 

 Drying gelatine and glue, 255 



hides, 13 



leather, 50 

 Dung bates, 24 



manures, 279 



puers, 94 

 Dyeing leather, 96 



EARS, 220, 268 



Eggs, 276 



Elastic fibres, 6, 272 



Kllagic acid, 29 



Enamelled leather, 123 



Enzymes, 24, 25, 94, 95 



Erodin, 94 



Evaporation, 37, 248 



Evaporators, Blair Campbell, 249 



Kestncr, 249 



Yar yan, 249 

 Evolution of gelatine industry, 265 



of leather industry, 194 

 Extraction of gelatine and glue, 

 230-233 



of grease, 116, 224, 227 



of phosphate, 224 



of tannin, 35 

 Extracts of meat, 275 



of tanning material, 37-41 



FACES, 220, 268 



Fan drying gelatine, 257 



lea'ther, 50 

 Fat liquoring, 154 



tannages, 178 



Federation of Tanners, 198 

 Fellmongering, 113 

 Fermentation in bates and puers, 

 24,94 



in drenches, 25 



in limes, 20, 21 

 Fertilizers, 269, 279 

 Filter press, 238 

 Finger test, 218 

 Finishing chrome leather, 153 



heavy leather, 49 



light leather, 96 

 Fish glue, 228 



manure, 280 

 Fleshing, 22 

 Flocculation, 237 

 Food proteins, 274 

 Foods, concentrated, 275 



dried, 277 



Formaldehyde tannage, 185 

 Fractional extraction of glue, 230 



GALALITH, 277 

 Gallic acid, 29 

 Galls, 32 

 Gambier, 40 

 Gelatine, bleaching, 241 



clarification of, 234 



decolorization, 234 



drying of, 255 



evaporation of, 2i8 



extraction of, 230 



properties of, 200 



raw material for, 220 



uses of, 260 

 Glace calf, 166 



goat and sheep, 163 

 Glazing, 97, 155 

 Glove leather, 174 

 Glue (see GELATINE) 



difference from gelatine, 241 

 Goatskins, 99, 163 

 Graining, 97 

 Grease in bones and scutch, 224, 227 



in skins, 115 

 Guano, 278 



HAIR, removal of, 22 

 Handlers, 47 

 Hard-grain morocco, 117 

 Harness leather, 71, 170 

 Heavy leather, 7-92 

 chrome leather, 170 



