Scientific amusements . Sugar moulds. Spirit of Wine, or Alco-hol, is not a natural is found by the decomposition of grape-sugar by fer-mentation. There is a series of alcohols which exhibit aregular gradation, founded, so to speak, upon one, two, orthree molecules of water. They are called respectivelyalcohols, glycols, and glycerins. Thus we have— „Prophylic „Amylic „ „Butylene „Amylene „ Glycerins. (Ordinary Glycerine is the only one known.) The cetyl and melissylic alcohols are contained in sper-maceti and bee
Scientific amusements . Sugar moulds. Spirit of Wine, or Alco-hol, is not a natural is found by the decomposition of grape-sugar by fer-mentation. There is a series of alcohols which exhibit aregular gradation, founded, so to speak, upon one, two, orthree molecules of water. They are called respectivelyalcohols, glycols, and glycerins. Thus we have— „Prophylic „Amylic „ „Butylene „Amylene „ Glycerins. (Ordinary Glycerine is the only one known.) The cetyl and melissylic alcohols are contained in sper-maceti and bee£;-wax respectively. The usual alcohol isthe Vinic, a transparent, colourless liquid which is the. Turning the loaves. ALCOHOL. 175 spirituous principle of wine, spirits, and beer, and, whensugar is fermented the alchol and carbonic acid remain. Spirits of wine has a very powerful affinity for water,and thus the use of stimulants in great quantity is to bedeprecated, for alcohol absorbs the water from the mucousmembranes of the stomach and the mouth, making themdry and hard. The state of intoxication,unfortunately so familiar, is the effect producedby alcohol upon the nerves. We append a listof the beverages which are most in use, and thepercentage of alcohol in each according to Pro-fessor Hart:— Port . 15 per cent. Claret . 8 Madeira. 14-5 Ale . . 6 Sherry . 14 Porter . • 5 per cent. Spirit of wine is contained in many mixtures,and for the purpose of ascertaining how muchalcohol may be in wine, or any other liquid, ahydrometer is used (see cut). This instru-ment consists of a glass tube with a bulb at theend. It is put into water, and the place thewater cuts is marked b
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Keywords: ., bookcentury1800, bookdecade189, booksubjectscientificrecreations
