Rotting Fiber, US Patent No. 41825
Sample pages
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US Patent No. 41,825, granted March 8, 1864 to George W. Billings of New York, for an improved method of retting flax and hemp straw. The specification describes a steam-heated vat in which upright stalks are immersed in stages, in thirds, at 85-90°F. This is meant to give uniform loosening of the fiber from the woody stem. The patent includes a drawing of the vat in cross-section and a single claim.
- Type
- Patent
- Date
- March 8, 1864
- Language
- English
- Pages
- 3
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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