An old engraving of woman at work at a silk-winding machine. It is from a Victorian mechanical engineering book of the 1880s. Silk ‘throwing’ is the industrial process wherein silk that has been reeled into skeins, is cleaned, receives a twist and is wound onto bobbins. Yarns are also twisted together, in a process known as ‘doubling’, to give the silk thread its strength. The winder contained parallel circular frames that revolved round each other on a central axis. By 1820, throwing was done using rectangular cast-iron frames, powered by belts.
An old engraving of woman at work at a silk-winding machine. It is from a Victorian mechanical engineering book of the 1880s. Silk ‘throwing’ is the industrial process wherein silk that has been reeled into skeins, is cleaned, receives a twist and is wound onto bobbins. Yarns are also twisted together, in a process known as ‘doubling’, to give the silk thread its strength. The winder contained parallel circular frames that revolved round each other on a central axis. By 1820, throwing was done using rectangular cast-iron frames, powered by belts.
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