Triumphs and wonders of the 19th century, a volume of original, historic and descriptive writings showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress (1901)
Boyd, James Penny, 1836-1910 · Philadelphia, A. J. Holman & co · leaf 276
tury finds the dairy industry of the UnitedStates established upon a plane far above the simple and crude domestic artof three or four generations ago. The milch cow itself, upon which the wholebusiness rests, is more of a machine than a natural product. The animal hasbeen so bred and developed to… … 254 TRIUMPHS AND WONDERS OF THE XIX1 CENTURY desired, the herd produces as much in winter as in summer. It is not unusualfor cows to give ten or twelve times their own weight of milk during a year.And the quality has been so improved that the milk of many a good dairy cowwill produce as much butter…
Progress · Inventions
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