Elementary treatise on the finishing of white, dyed, and printed cotton goods . dealt with in the chapter on substancesintended for blueing (see p. 44). It is howeverimportant to note the effect of these different qua-lities; on plates VII and VIII (patterns 1 to 10),10 different qualities or shades of ultramarine areshown on paper ranging from the yellowest to thepink shade which is now much employed by paperstainers. The first set shows an ultramarine shadeapplied to paper in the proportion of 200 gr. perlitre. A very moderately experienced eye willdistinguish the difference between these di


Elementary treatise on the finishing of white, dyed, and printed cotton goods . dealt with in the chapter on substancesintended for blueing (see p. 44). It is howeverimportant to note the effect of these different qua-lities; on plates VII and VIII (patterns 1 to 10),10 different qualities or shades of ultramarine areshown on paper ranging from the yellowest to thepink shade which is now much employed by paperstainers. The first set shows an ultramarine shadeapplied to paper in the proportion of 200 gr. perlitre. A very moderately experienced eye willdistinguish the difference between these differentshades; but the effect is much more apparent inthe coloring of the patterns forming the second set.(Plate IX patterns 11 to 15) the first pattern is anormal white, i. e. a bleached cloth for printingpurposes. This sample has by itself quite a yellow-ish cast which can be corroborated by compa-ring it with the white paper, the whiteness ofwhich has been slightly enhanced by a weakblueing. The other patterns are blued in the pro- CHLORING AND BLUEING. 307 PLATE VII. 1 2. Ultramarine A P. 3


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