1868 The complete Practical Distiller

THE COMPLETE PRACTICAL DISTILLER.

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figure, being called matrasses, balloons, &c. There have been various modes of applying heat in distillation, de- pending upon the nature of the apparatus employed as well as upon the substance to be distilled. The common still being formed of metal, is immediately exposed to the naked fire, since from its tenacity, and its property of conducting heat with facility, it is not liable to crack, which is not the case with glass or earthenware. The still is heated in various ways, the most common of which has been by the sand-haihj a vessel of iron filled witl* fine dry sand.

Fig. 5.

The annexed figure (5) is a specimen of a still which has stood the test for a number of years, and is one worthy of the attention of the reader.