Structure and Constitution of Wool Fibre -- Yarn Scouring -- Scouring Materials -- Water for Scouring -- Bleaching Carpet Yarns -- Colour Making for Yarn Printing -- Colour Printing Pastes -- Colour Recipes for Yarn Printing -- Science of Colour Mixing -- Matching of Colours -- "Hank" Printing -- Printing Tapestry Carpet Yarns -- Yarn Printing -- Steaming Printed Yarns -- Washing of Steamed Yarns -- Aniline Colours Suitable for Yarn Printing -- Glossary of Dyes and Dye-wares used in Wood Yarn Printing -- Appendix. #THE SCIENCE OF COLOUR MIXING.# A Manual intended for the use of (p. c22) Dyers, Calico Printers and Colour Chemists. By David PATERSON, F.C.S. Forty-one Illustrations, #Five Coloured Plates, and Four Plates showing Eleven Dyed Specimens of Fabrics#. 132 pp. Demy 8vo. Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.) #Contents.# Colour a Sensation; Colours of Illuminated Bodies; Colours of Opaque and Transparent Bodies; Surface Colour -- Analysis of Light; Spectrum; Homogeneous Colours; Ready Method of Obtaining a Spectrum -- Examination of Solar Spectrum; The Spectroscope and Its Construction; Colourists' Use of the Spectroscope -- Colour by Absorption: Solutions and Dyed Fabrics; Dichroic Coloured Fabrics in Gaslight -- Colour Primaries of the Scientist _versus_ the Dyer and Artist; Colour Mixing by Rotation and Lye Dyeing; Hue, Purity, Brightness; Tints; Shades, Scales, Tones, Sad and Sombre Colours -- Colour Mixing; Pure and Impure Greens, Orange and Violets; Large Variety of Shades from few Colours; Consideration of the Practical Primaries: Red, Yellow and Blue -- Secondary Colours; Nomenclature of Violet and Purple Group; Tints and Shades of Violet; Changes in Artificial Light -- Tertiary Shades; Broken Hues; Absorption Spectra of Tertiary Shades -- Appendix: Four Plates with Dyed Specimens Illustrating Text -- Index. #DYERS' MATERIALS#: An Introduction to the Examination, Evaluation and Application of the most important Substances used in Dyeing, Printing, Bleaching and Finishing. By Paul HEERMAN, Ph.D. Translated from the German by A. C. WRIGHT, M.A. (Oxon.), B.Sc. (Lond.). Twenty-four Illustrations. Crown 8vo. 150 pp. Price 5s. net. (Post free, 5s. 4d. home; 5s. 6d. abroad.) #COLOUR MATCHING ON TEXTILES.# A Manual intended for the use of Students of Colour Chemistry, Dyeing and Textile Printing. By David PATERSON, F.C.S. Coloured Frontispiece. Twenty-nine Illustrations and #Fourteen Specimens Of Dyed Fabrics#. Demy 8vo. 132 pp. Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.) #Contents.#