DISTILLATION. 



Then the vapour passes into the tube encased in a larger one, the intervening 

 space being filled with cold water from the tap above (c), the warm water 

 dropping from g. The vapours are thus condensed, and drop into the 

 -bottle (or receiver) B. 



Fig. 82. Distilling apparatus. 



The apparatus for distilling spirits is shown below. The " still J; A is 

 fitted into a furnace, and communicates with a worm' O in a metal cylinder 

 filled with water, kept constantly renewed through the tube TT. This cpirit 

 passes through the spiral, and being condensed, goes out into the receiver C. 



Fig. 83. Spirit still. 



There are even more simple apparatus for spirit distilling, but ths 

 diagram above will show the principle of all " stills." In former days, in 

 Ireland, whiskey was generally procured illegally by these means. 



