John Ashton, Drinks of the World
“ Wine containing about 13 per cent. of alcohol may be assumed to be fortified, as it is called, with brandy or other spirit.The varieties of wine produced are said to be “almost endless.” This great number of wines is in some measure owing to an interesting fact mentioned by Miller in his Organic Chemistry (3rd ed. p. 187) , who tells us that a particular variety of grape, when grown upon the Rhine, furnishes a species of hock; the same grape, when raised in the valley of the Tagus, yields Bucellas, in which the palate of a connoisseur may possibly detect the flavour of hock ”
