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Wisconsin Dairymen's Association / Thirty-second annual report of the Wisconsin Dairymen's Association : held at Platteville, Wis., February 10, 11 and 12, 1904. Report of the proceedings, annual address of the president, and interesting essays and discussions relating to the dairy interests
(1904)

[King system of ventilation],   pp. 51-54 PDF (828.2 KB)


Page 51

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