Scientific American 420 December 8, 1906- … nesia is crystallized, enormous lime, is heated with heavy petro- Figv 8.—Cutting Out Pastilles by Machine. retorts in which quinine and co- leum oils in vacuo (Fig. IK caine are purified, and the heavy Usually, the oil required is- pestles which are always grinding pumped daily from a great tank,…
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