CONTENTS
Hugh Garner Bennett
PAGE
GENERAL PREFACE
v
AUTHOR'S PREFACE
ix
CONTENTS
xi
INTRODUCTION
1
PART I.
HIDES FOR HEAVY LEATHERS.
Section
1. THE RAW MATERIAL OF HEAVY LEATHERS.
7
2. THE PREPARATION OF PELT.
16
3. VEGETABLE TANNAGE.
27
4. FINISHING PROCESS.
49
5. SOLE LEATHER.
55
6. BELTING LEATHER.
65
7. HARNESS LEATHER.
71
8. UPPER LEATHERS.
76
9. BAG LEATHER.
86
10. PICKING BAND BUTTS.
90
PART II.
SKINS FOR LIGHT LEATHERS.
1. PRINCIPLES AND GENERAL METHODS OF LIGHT LEATHER MANUFACTURE.
92
2. GOATSKINS.
99
3. SEALSKINS.
106
4. SHEEPSKINS.
110
5. CALFSKINS.
120
6. JAPANNED AND ENAMELLED LEATHERS.
123
PART III.
CHROME LEATHERS.
1. THE NATURE OF CHROME LEATHERS.
127
2. GENERAL METHODS OF CHROME LEATHER MANUFACTURE.
139
3. CHROME CALF.
156
4. CHROME GOAT AND SHEEP.
163
5. HEAVY CHROME LEATHERS.
170
PART IV.
MISCELLANEOUS TANNAGES.
1. ALUM TANNAGES.
127
2. FAT TANNAGES.
178
3. OIL TANNAGES.
181
4. FORMALDEHYDE TANNAGE.
185
5. SYNTHETIC TANNING MATERIALS.
187
6. COMBINATION TANNAGES.
191
7. THE EVOLUTION OF THE LEATHER INDUSTRY.
194
PART V.
GELATINE AND GLUE.
1. PROPERTIES OF GELATINE AND GLUE.
200
2. RAW MATERIALS AND PRELIMINARY TREATMENT.
220
3. EXTRACTION.
230
4. CLARIFICATION AND DECOLORIZATION.
234
5. BLEACHING.
241
6. EVAPORATION.
248
7. COOLING AND DRYING.
255
8. USES OF GELATINE AND GLUE.
ANIMAL PROTEINS
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