WHAT IS WINE? 
159 
included as yet published, and will, I trust, therefore, be 
of value and interest to many, even quite independently of its 
connection with the preceding papers. 
The arrangement of the table will be easily understood. All 
the figures, with the exception of those in columns 2 and 19, 
give the number of grammes of the different substances named 
at the heads of the columns contained in 1000" (1 litre) wine. 
By shifting the decimal point one figure to the left, we there- 
fore obtain percentages ; and by multiplying the figures by 12, 
the number of grains of the various constituents contained in 
one bottle of wine are obtained. (An ordinary wine-bottle 
holds about 12,000 grains.) Column 2 gives the specific gravity 
of the wine, i.e. the weight of 1000". In column 19 will be 
found the proportion per cent, which the alcohol in column 17 
bears to that in column 18 ; in other words, it will show us at 
a glance how near to, or how far from, equilibrium the process of 
etherification was at the time of examination (in these cases, 
the latter half of 1867). Lastly, as regards column 1, I have 
contented myself with simply giving the generic name of the 
wine, together, when possible, with the year of vintage, and the 
retail price per dozen in London. Everyone may thus, to 
a great extent, judge of the quality of the wine analysed by the 
price appended. The wines were selected with great care, to 
ensure, as far as possible, their genuineness ; but, for obvious 
reasons, the sources whence they were derived are withheld. 
