amination, 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.#

Colour Vision and Structure of the Eye -- Perception of Colour --
Primary and Complementary Colour Sensations -- Daylight for Colour
Matching -- Selection of a Good Pure Light -- Diffused Daylight,
Direct Sunlight, Blue Skylight, Variability of Daylight, etc., etc. --
Matching of Hues -- Purity and Luminosity of Colours -- Matching
Bright Hues -- Aid of Tinted Films -- Matching Difficulties Arising
from Contrast -- Examination of Colours by Reflected and Transmitted
Lights -- Effect of Lustre and Transparency of Fibres in Colour
Matching -- Matching of Colours on Velvet Pile -- Optical Properties of
Dye-stuffs, Dichroism, Fluorescence -- Use of Tinted Mediums -- Orange
Film -- Defects of the Eye -- Yellowing of the Lens -- Colour
Blindness, etc. -- Matching of Dyed Silk Trimmings and Linings and
Bindings -- Its Difficulties -- Behaviour of Shades in Artificial
Light -- Colour Matching of Old Fabrics, etc. -- Examination of Dyed
Colours under the Artificial Lights -- Electric Arc, Magnesium and
Dufton, Gardner Lights, Welsbach, Acetylene, etc. -- Testing
Qualities of an Illuminant -- Influence of the Absorption Spectrum in
Changes of Hue under the Artificial Lights -- Study of the Causes of
Abnormal Modifications of Hue, etc.

#COLOUR: A HANDBOOK OF THE THEORY OF COLOUR.# By George H. HURST, F.C.S.
#With Ten Coloured Plates# and Seventy-two Illustrations. 160 pp. Demy
8vo. Price 7s. 6d. net. (Post free, 7s. 10d. home; 8s. abroad.)

#Contents.#

#Colour and Its Production -- Cause of Colour in Coloured Bodies --
Colour Phenomena and Theories -- The Physiology of Light -- Contrast
-- Colour in Decoration and Design -- Measurement of Colour.#

Reissue of
#THE ART OF DYEING WOOL, SILK AND COTTON.#

Translated from the French of M. HELLOT, M. MACQUER and M. le PILEUR