^5^ Of the Excellent Qualities of Coffee. 



issue from the boiler, the flame of the lamp should be 

 reduced, for no advantage whatever attends the actual 

 boiling of water which is boiling hot; and it always 

 occasions a very great loss of heat, and fills the room 

 full of steam and of invisible vapour, which makes every 

 thing in it damp and uncomfortable. 



A considerable number of these coffee urns have 

 been made and sold at Paris within these last five 

 or six years. Some of them have been made of silver, 

 richly sculptured and ornamented by gilding. Several 

 others have been made of copper, and ornamented with 

 copper plated with silver : these last, with their lamps, 

 and a set of three strainers made of tin, have cost about 

 six guineas. But the greater part of those which have 

 been sold have been made of tin ; and they have in gen- 

 eral been gilt so as to be entirely covered over on the 

 outside with leaf gold, and this leaf gold covered by 

 a coating of transparent varnish. 



When so constructed and ornamented, they have 

 cost four guineas with all their apparatus quite com- 

 plete. 



I cannot help flattering myself that they will find 

 their way into England, and there meet with appro- 

 bation. I shall never cease to be particularly desirous 

 that my labours to improve the domestic arts may be 

 found useful in that country. 



The Fig. 4, Plate XII., represents a small urn with 

 two short spouts and two handles, of a proper size 

 for making one single cup of coffee. It is drawn to 

 a scale of half the full size. Its boiler contains water 

 enough to furnish what is required for making the 

 coffee, as well as that which is necessary for generating 

 steam for keeping the coffee hot. The water descends 



