Читать книгу One Thousand Ways to Make a Living; or, An Encyclopædia of Plans to Make Money - Harold Morse Dunphy - Страница 218

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A poor widow, living in a small southern city, was practically dependent upon a splendid cow, which gave more milk than she and her few customers could use.

She therefore conceived the idea of converting this surplus into condensed milk that would keep for an indefinite period, and bring good prices when shipped to city customers by parcel post.

Taking 10,000 parts of fresh milk, 50 parts of white sugar, and 2 parts of carbonate of soda, she placed all in a porcelain vessel, and with constant stirring evaporated by heat of vapor bath at 140 to 160 degrees to the consistence of a thick paste.

Placing this paste in small glass jars, she sold it readily at fair prices, and realized a good profit from its sale. One pint of this paste is equal to ten pints of fresh milk, and being a distinctively country product of assured purity and cleanliness brought a good living to this woman.