[218] And again, the contrivances displayed in the examination of different kinds of wine to produce some, the effect of which shall speedily go off, and which shall not produce headache, but, on the contrary, shall be devoid of any tendency to heat the blood, and shall be very fragrant, admitting either a copious or a scanty admixture with water, according as the object is to have a strong and powerful draught, or a gentle and imperceptible one. And all the other devices and inventions of cup-bearers all come to the same end of art.