Hummel, J. J. (John James), d. 1902 · London : Cassell · leaf 149
ythe simple but effective means adopted for separating andremoving the precipitated impurities without in any waychoking the purifier or retarding the delivery of water. Fig. 42 gives a perspective view of a complete appa-ratus capable of purifying about 200,000 litres of waterper day. The… … Fig. 42.—Graillet and Huets Apparatus lor Softening Wattr. 136 DYEING OF TEXTILE FABRICS. [Chap. IX
Dyes and dyeing
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