[63] The amount of condensation in preserved milk may be easily ascertained by noting the amount of water which it is necessary to add in order to make its specific gravity equal to that of ordinary milk. [64] To prepare whey: 1 pint of milk mixed with 1 teaspoon of liquid rennet. Set in a warm place until the curd is formed; then break the curd and put it into a cloth or a wire strainer to drain. [65] To make barley jelly: Boil two tablespoons of pearl barley in a pint of water for two hours. Strain. It will form a tender jelly. [66] The condensed cream of the Highland Co. may be used when other cream cannot be obtained. [67] Malted milk, Nestlé's food, Ridge's food, Imperial Granum, or barley-flour, may be used as attenuants. [68] Enough for the whole day may be made by multiplying the rule by eight, dividing the quantity into eight bottles, and sterilizing all at once. Keep in a cool place until needed. [69] Milk-sugar may be obtained without difficulty, and always, at a pharmacy. It is better for infants than cane-sugar, because it is a little easier of digestion. [70] Water 92.60% Fat 1.00% Casein .84% Sugar 5.40% Ash .16% DR. MEIGS. [71] Although Mellin's food is made from grain, the starch in it has been changed in the process of manufacture into easily assimilated dextrine and sugar. [72] The ordinary powdered cocoa, which has been deprived of oil. Dutch brands are good. [73] Zwieback is a slightly sweetened and dried bread, which may be bought at any grocer's. It is like dried rusk. [74] Bacon is very easy of digestion, and is a valuable form of fat for children four or five years old. Given with bread or potatoes, it will often be eaten when butter is refused. TRANSCRIBER'S NOTE Obvious typographical errors and punctuation errors have been corrected after careful comparison with other occurrences within the text and consultation of external sources. Except for those changes noted below, all misspellings in the text, and inconsistent or archaic usage, have been retained. For example, milk-supply, milk supply; beef-tea, beef tea; over night, overnight; to-day; oxid; inclosing; peptonizing. Table of Contents: Pg vi, insert missing entry: 'EGGS 153'. Main text: Pg 152, 'Laws and Gilbert' replaced by 'Lawes and Gilbert'. Pg 264, 'Potato. Stewed Mushrooms.' replaced by 'Potatoes. Stewed Mushrooms.'. Index: Format of the entry for 'Apples' changed to make its subheadings consistent with all other subheadings. End of Project Gutenberg's A Handbook of Invalid Cooking, by Mary A. Boland