The effervescing, or aërated waters, which are now so much used all over the civilized world, were first made on a large commercial scale by the firm of J. Schweppe, of Geneva (a name very well known in England, in connection with the manufacture), in 1789; and ten years afterwards, his partner, Mr. N. Paul (whose name yet survives in the firm Paul & Burrows, St. George’s Road, S.E.), established an Aërated Water Factory in England. It is somewhat curious how the names last in this trade, for in 1799 a Mr. Thwaites established a factory in Dublin, and the firm still remains as A. & R. Thwaites & Co. Since its introduction, aërated water has much improved, especially the universal soda water, which is simply ordinary water charged with carbonic acid gas. Vastly improved machinery has been introduced, cleanliness and purity of materials are specially looked after, and the bottles and vessels for holding it wonderfully improved. We have not, in England, taken so kindly to the syphon as they have abroad; but the cork in the bottle has been nearly entirely done away with, and we are no longer compelled to pay for, if we could not drink, the large bottle, which at one time bid fair to be perennial; but which has almost succumbed to its younger brother the “Small” Soda. Year by year, through competition and vastly increased consumption, aërated waters are getting cheaper, and consequently more used. The ordinary soda water of commerce contains no soda,—it is made by the absorption, under pressure, of carbonic acid gas, which is generally obtained from chalk or whitening, and sulphuric acid, which makes as good a gas for commercial purposes as if it were produced from the purest Carrara marble. The number of chemical teetotal drinks is legion. They are all calculated according to their concocter’s reports, to make the drinker healthier and wiser; nay, even to provide him with extra brain power, as did the vaunted Zoedone, which contained phosphates and iron. They have their little day, and another nostrum takes their place. It has, hitherto, always been so, and probably will continue, only intensified, to the end of time. J. A. [Illustration] [Illustration] MILK. First Food of all Mammals—Skim and Butter Milk—Chemicals used in its Preservation—Condensed Milk—Syllabubs—Koumiss—Its Early Use—When first utilized in Medical Treatment—Koumiss from Cows’ Milk—Methods of Manufacture—Intoxicating Drinks made from Milk. Milk is the first liquid food taken by man, in common with all mammals, after his birth; and this liquid is so happily ordered, as to contain all the elements of food necessary for him, at this period of his existence. The new-born mammal naturally, and directly after its birth, seeks the fountain of its nourishment, and even that most helpless of all created beings, a baby, is soon taught where to seek its food.