Textile Documents › Publications › Publication: Scientific American Supplement

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Extraction of Potash from Wool in the Grease
Extraction of Potash from Wool in the Grease
Article · 1 page
A short 1876 article describing H. Fischer's apparatus of Hanover for recovering potash from the suint (grease) of raw wool. Four vats on a rotating frame with a hand crank pass the wash water successively over batches of wool to produce a concentrated lye with little labor. The article gives the step-by-step operating cycle and yield figures from Maumené, Fuchs and the Döhren wool-washing works, and lists European potash-from-grease works.
Sketches of the Great Exhibition -- American Thread Lace
Sketches of the Great Exhibition -- American Thread Lace
Article · 1 page
A short 1876 report from the Philadelphia Centennial Exhibition on American-made thread (bobbin) lace shown in the Women's Pavilion. It describes the lap cushions and the upright cylindrical cushion on a trestle, the spools and pins used in making the lace, and exhibitors from Jersey City, Boston, St. Augustine and St. Louis. It also compares the value of imported Belgian and French laces and ends with a brief section on tatting. An engraving shows a woman making thread lace on a round cushion.
Supporter for Cotton-Pickers
Supporter for Cotton-Pickers
Article · 1 page
A short 1876 patent-style notice describing a supporter worn by cotton-pickers, invented by W. J. Lynch of Old Town, Arkansas. It consists of two wooden staffs with pivoted foot-rests and sliding connections, used with a waist-belt and shoulder-straps to hold the picker in a stooping position. Two figures show the device being worn and the apparatus alone.

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