The American cotton spinner and managers' and carders' guide: a practical treatise on cotton spinning; giving the dimensions and speed of machinery, draught and twist calculations, etc.; with notices of recent improvements together with rules and examples for making changes in the size and number of roving and yarn
The American cotton spinner and managers' and carders' guide: a practical treatise on cotton spinning; giving the dimensions and speed of machinery, draught and twist calculations, etc.; with notices of recent improvements together with rules and examples for making changes in the size and number of roving and yarn