FAULTS IN THE MANUFACTURE OF WOOLLEN GOODS AND THEIR PREVENTION. By Nicolas Reiser. Translated from the Second German Edition. Crown 8vo. Sixty-three Illustrations. 170 pp. 1903. Price 5s.; Colonies, 5s. 6d.; Other Countries, 6s.; strictly net.
Contents.
Improperly Chosen Raw Material or Improper Mixtures—Wrong Treatment of the Material in Washing, Carbonisation, Drying, Dyeing and Spinning—Improper Spacing of the Goods in the Loom—Wrong Placing of Colours—Wrong Weight or Width of the Goods—Breaking of Warp and Weft Threads—Presence of Doubles, Singles, Thick, Loose, and too Hard Twisted Threads as well as Tangles, Thick Knots and the Like—Errors in Cross-weaving—Inequalities, i.e., Bands and Stripes—Dirty Borders—Defective Selvedges—Holes and Buttons—Rubbed Places—Creases—Spots—Loose and Bad Colours—Badly Dyed Selvedges—Hard Goods—Brittle Goods—Uneven Goods—Removal of Bands, Stripes, Creases and Spots.
SPINNING AND WEAVING CALCULATIONS, especially relating to Woollens. From the German of N. Reiser. Thirty-four Illustrations. Tables. Demy 8vo. 170 pp. Price 10s. 6d.; India and Colonies, 11s.; Other Countries, 12s.; strictly net.
Contents.
Calculating the Raw Material—Proportion of Different Grades of Wool to Furnish a Mixture at a Given Price—Quantity to Produce a Given Length—Yarn Calculations—Yarn Number—Working Calculations—Calculating the Reed Count—Cost of Weaving, etc.
WATERPROOFING OF FABRICS. By Dr. S. Mierzinski. Crown 8vo. 104 pp. 29 Illus. 1903. Price 5s.; Colonies, 5s. 6d.; Other Countries, 6s.; strictly net.
Contents.
Introduction—Preliminary Treatment of the Fabric—Waterproofing with Acetate of Alumina—Impregnation of the Fabric—Drying—Waterproofing with Paraffin—Waterproofing with Ammonium Cuprate—Waterproofing with Metallic Oxides—Coloured Waterproof Fabrics—Waterproofing with Gelatine, Tannin, Caseinate of Lime and other Bodies—Manufacture of Tarpaulin—British Waterproofing Patents—Index.