INDEX 



285 



Helvetia leather, 

 Hemlock bark, 

 Hides, American, 14 



African, 15 



Asiatic, 14 



British, 8 



Continental, 14 



dried, 13 



dry salted, 13 



fresh, 8 



frozen, 13 



salted. 12 

 Hoofs, 268 

 Horns, 268 

 Hyaline layer, 21 ~2 

 Hydrophile colloids, 240 

 Hydrophobe colloids, 240 

 Hydrosulphite of sex: 

 Hypo bath, 128, 147 



IMITATION box calf, 159 



glac6 kid, 163 



Imperial aspect of leather trade, 198 

 Increase in strength of tan liquor, 44 

 Incrustation, 254 



Influence of Lyotrope series, 200-209 

 Intensive production, 194, 265 

 Internbrillar substance, 24 

 Iron and logwood, 75, 83, 109 



JACKING leather, 61 

 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, : 

 Layers, 47 

 Leaching, 3f> 

 Leather, definition of, 27 

 Legging leather, 76 

 I.rvant Kr.u:>. 1011 



Lime, function of, in depilation, 20 

 Liming for chrome leather 1 -'7 

 glue pieces, 220 



leather, 83 

 IS, 92 



Liquor, chrome 127, 129, 143-163 



lime, 18-22 



tan, 3.-i 



Logwood, 75, 83, 109 

 Lyophile colloids, 201 

 Lyophobe colloids, 201 

 Lyotrope series colloids, 206-209 



MACHINE fleshinsr, 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 



Oil tannage, 181 



One-bath chrome tannage, 149 



One- pit system of liming, 19 



Open- vat system of extraction, 



231 

 Oxidation method of bleaching, 



24.". 



PADDLES for washing, puering, 

 ;ig, and tanning, 17, 94, 

 96, lo:i 

 Parker, on valonia, 31 



