524 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS S t_._qa ge.__•__.• Weigh Weigh Stir I Colloid mill Steam pan wit• , Cast into trays Figur• • Preparation of lipstick base--Method I faces the facts of the situation and invests sufficient capital to rectify matters, knowing full well that dividends will accrue in the way of higher output and quality with fewer mistakes. Looking at Method ! from the standpoint of these questions, we must first of all try to find a replacement for the ball mill which is a batch machine of high weight and low capacity and as already pointed out, very difficult to clean colour dispersion, however, is the most important part of

.v Figure $ Typical sand mill Facing page 524

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