INDEX 



285 



Helvetia leather, 179 

 Hemlock bark, 

 Hides, American, 14 



African, 15 



Asiatic, 14 



British, 8 



Continental, 14 



dried, 13 



drysalted, 13 



fresh, 8 



frozen, 13 



salted, 12 

 Hoofs, 268 

 Horns, 268 

 Hyaline layer, 272 

 Hydrophile colloids, 240 

 Hydrophobe colloids, 240 

 Hydrosulphite of soda, 245 

 Hypo bath, 128, 147 



IMITATION box calf, 159 



glace kid, 163 



Imperial aspect of leather trade, 198 

 Increase in strength of tan liquor, 44 

 Incrustation, 254 



Influence of Lyotrope series, 206-209 

 Intensive production, 194, 265 

 Interfibrillar substance, 24 

 Iron and logwood, 75, 83, 109 



JACKING leather, 51 

 Japanned leather, 123 

 Jelly, 203, 258 



KERATINS, 4 



of epidermis, 272 

 Kestner evaporator, 249 

 Kid skins, 163, 174 

 Kips, 8, 76, 159 



LACTIC acid, 23 



Lambskins, 110, 163, 174 



Larch bark extract, 41 



Layaways, 47 



Layer, hyaline or glassy, 272 



Layers, 47 



Leaching, 35 



Leather, definition of, 27 



Legging leather, 76 



Levant grain, 109 



Lime, function of, in depilation, 20 



Liming for chrome leather, 127 



glue pieces, 220 



hides, 18 



leather, 83 



skins, 92 



Liquor, chrome 127, 129, 143-153 



lime, 18-22 



tan, 35 

 Logwood, 75, 83, 109 

 Lyophile colloids, 201 

 Lyophobe colloids, 201 

 Lyotrope series colloids, 206-209 



MACHINE fleshing, 23 



scudding, 23 



shaving, 52, 82 

 Mallet bark, 34 

 Mangrove bark extract, 41 

 Mean temperature difference, 252 

 Meat extracts, 275 

 Mellow lime liquors, 18-21 



tan liquors, 44 

 Memel butts, 83 

 Milk, 276 

 Mimosa bark, 33 

 Miscellaneous proteins, 266, 279 



tannages, 174 



Mixed tannage of sole leather, 55 

 Mordants, 96 

 Morocco leather, calf, 120 



goat, 99 



seal, 106 



sheep, 110 

 Motor butts, 1.70 

 Multiple-effect evaporation, 249 

 Myrabolans, 30 



NATURE of chrome leather, 127 



of leather, 27 

 Nett adsorption, 215 

 Neutralization, 153 

 Nitrogen in proteins, 1 



value of manures, 280 

 Noses, 268 



OAK bark, 34 



Oakwood extract, 37 



Offal for sole leather, 63 



Oil tannage, 181 



One-bath chrome tannage, 149 



One-pit system of liming, 19 



Open-vat system of extraction, 



231 

 Oxidation method of bleaching, 



245 



PADDLES for washing, puering, 

 dyeing, and tanning, 17, 94, 

 96, 103 



Parker, on valonia, 31 



