60. MINERAL WATER

Epsom salts 1 oz., cream tartar 1/2 oz., tartaric acid 1/4 oz., loaf sugar 1 lb., oil of birch 20 drops; put 1 quart boiling water on all these articles, and add 3 quarts of cold water to 2 tablespoonsful of yeast; let it work 2 hours and then bottle.