align="left">Sealing Waxes

11 Silk Dyeing 23 Silk Throwing 19 Smoke Prevention 25 Soaps 7 Spinning 20 Staining Marble, and Bone 30 Steam Drying 11 Sugar Refining 31 Steel Hardening 26 Sweetmeats 30 Terra-cotta 16 Testing Paint Materials 4 Testing Yarns 20 Textile Fabrics 20 Textile Materials 19, 20 Timber 29 Varnishes 4 Vegetable Fats 7 Waste Utilisation 10 Water, Industrial Use 12 Water-proofing Fabrics 32 Weaving Calculations 32 Wood Waste Utilisation 29 Wood Dyeing 30 Wool Dyeing 22 Writing Inks 11 X-Ray Work 13 Yarn Testing 20

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SCOTT, GREENWOOD & CO.,
19 Ludgate Hill, London, E.C.
Tel. Address: "PRINTERIES, LONDON".
Tel. No. 5403, Bank

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Paints, Colours and Printing Inks.

Contents.

Introductory. Light—White Light—The Spectrum—The Invisible Spectrum—Normal Spectrum—Simple Nature of Pure Spectral Colour—The Recomposition of White Light—Primary and Complementary Colours—Coloured Bodies—Absorption Spectra—The Application of Pigments. Uses of Pigments: Artistic, Decorative, Protective—Methods of Application of Pigments: Pastels and Crayons, Water Colour, Tempera Painting, Fresco, Encaustic Painting, Oil-colour Painting, Keramic Art, Enamel, Stained and Painted Glass, Mosaic—Inorganic Pigments. White Lead—Zinc White—Enamel White—Whitening—Red Lead—Litharge—Vermilion—Royal Scarlet—The