1868 The complete Practical Distiller

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THE COMPLETE PRACTICAL DISTILLER.

calculated to hold 1280 litres of matter ; but, as it is ne- cessary never to fill it entirely with raw potatoes, because ebullition causes these to swell, it is only charged with 11 hectolitres. A (fig. 14, on the preceding page) is a cylindrical tub, made of strong oak ; the interior of this tub is lined with copper or with lead, so as to render it sufficiently solid. The potatoes are introduced through a trap b c fixed in the head of the tub, and they are discharged through a double trap d e placed in the bottom.

Fig. 15.

Fig. 15 represents the head of this tub. A is a trap, hanging on two hinges, which can be shut and closely maintained to the head of the tub by means of two buttons, B and c. Fig. 16 represents the bottom of the tub. A and B form a double trap, opening in the middle, and hanging on four hinges a, h, c, d. It is opened by removing an iron bar c e, fastened by the end c to an iron cramp by means of a pink, which gives it sufficient play. This bar slips into E, where it is retained by means of a button d ; and when it is unhooked and separated from