. Elements of agriculture; a text-book for public schools. Agriculture. 180 ELEMENTS OF AGRICULTURE. meniscus to the upper edge of the upper meniscus. The quantity of butter derived from milk is usually about twelve per cent, greater than the quantity of butter fat. The Babcock Test on the Farm. Not only should the quantity of milk that each cow gives be known, but the milk of each cow should be tested frequently. What it costs to keep each cow should also be known. No dairy cow should be kept unless she is making a profit for the owner. A satisfactory two-bottle test- er can be bought for abo
. Elements of agriculture; a text-book for public schools. Agriculture. 180 ELEMENTS OF AGRICULTURE. meniscus to the upper edge of the upper meniscus. The quantity of butter derived from milk is usually about twelve per cent, greater than the quantity of butter fat. The Babcock Test on the Farm. Not only should the quantity of milk that each cow gives be known, but the milk of each cow should be tested frequently. What it costs to keep each cow should also be known. No dairy cow should be kept unless she is making a profit for the owner. A satisfactory two-bottle test- er can be bought for about four dollars. The Cream Separator. At our creameries and upon many farms, cream is separated from the milk by means of the cream sep- arator. The principle upon which the cream separator works is very simple. The milk is whirled rapidly in the machine, and the heavier parts, which include water and solids not fat, are throAvn to the out- side by means of the whirling motion. The cream, being lighter, collects at the center, from w^hich it is carried by means of a spout into the cream vat. Cream may be separated in this way from fresh milk. Such cream will be sweet. The cream separator also removes cream from the milk much more completely than is done by setting the milk in. Fig-. 58. Modern Type of Hand Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Shepperd, John H. (John Henry), 1869-1939; McDowell, J. C. (John Chambers), 1867-1943, joint author. St. Paul, Minn. , Webb Publishing Company
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