Combined Drafting Spinning Frame
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A short trade article from 1931 describing a ring-spinning frame from the Hartmann Textile Machine Works of Chemnitz, Germany, that spins finished cotton yarn directly from drawing-frame sliver without fly frames. It explains the two sets of drafting rollers with an intermediate false-twist tube, the Casablancas apron drafting option, draft ranges of 40 to 400, and a companion sliver condensing and winding machine. It includes a photograph of the machine and a diagram of the drafting system.
- Type
- Article
- Date
- September 1931
- Language
- English
- Pages
- 1
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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