xiii (#17) ############################################ CONTENTS CHAPTER PAGE . . . . . I. THE RAW MATERIALS OF THE WOOLLEN IN- DUSTRY-BLENDING I 2. WOOLLEN CARDING AND CONDENSING 34 3. WOOLLEN YARN SPINNING . 105 4. WOOLLEN FRAME SPINNING-TWISTING- WINDING-FANCY YARN PRODUCTION 141 5. SETS OF WOOLLEN MACHINES—WOOLLEN YARN COSTING 164 6. THE BASIC PRINCIPLES INVOLVED IN WORSTED DRAWING 172 7. WORSTED DRAWING MACHINES—THE CLOTH- ING OF BASIC PRINCIPLES 192 8. THE STUDY OF THE VARIOUS TYPES OF WOR- STED DRAWING MACHINES 213 9. WORSTED SPINNING-PRINCIPLES AND PRAC- TICE 233 10. COLOURED YARN PRODUCTION_MELANGES, MIXTURES AND TWISTS : 261 II. SETS OF DRAWING AND SPINNING MACHINERY -CALCULATIONS FOR OUTPUT . 271 12. TWISTING THEORIES AND SPINNING AND TWISTING PRACTICE 289 13. PROCESSES SUBSEQUENT TO TWISTING . 307 14. THE TESTING OF WOOLS, TOPS AND YARNS, AND EXPERIMENTAL TESTING APPARATUS 15. DEFECTS IN RAW MATERIALS, TOPS AND YARNS 324 APPENDIX : OILS AND THE OILING OF WOOL 338 INDEX 341 . 318 xiii
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