Caption: Board of Trustees Minutes - 1878
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184 This is an average of several analyses made by the class in quanti tative analysis. ANALYSIS OF IR05C ORB FROM T H E COAL MEASURES OF ILLINOIS. Silica Ferric iron Ferrous iron Manganese Lime Magnesia Phosphoric acid Sulphur Carbondioxide Water Alumina. Total Metallic iron (an average by the class.) ANALYSIS OF MARL BY C. C. BARNES. 10.09 2.22 44.52 2.60 1.83 1.40 1.05 0.17 30.71 2.70 1.85 99.15 36.2 A bed of marl was recently discovered on the University The following analysis gives its chemical composition: Silicious matter Water Calcium carbonate Magnesium carbonate Ferric oxyde farm. 30.52 3.16 53.18 3.91 8.24 99.01 ANALYSIS OF B E E T S AND MANGOLDS BY H. W . ZIMMERMAN. The following analysts were made in order to ascertain the relative value of sugar beets and mangolds as food for cattle. I t was stated, that the yield of mangolds per acre was three times as great as that of sugar beets. MANGOLDS. SUGAR BEETS. Water Ash Sugar Starch, dextrine, etc Fiber 92.33 0.99 5.46 1.02 99.79 ... 90.17 0.93 7.22 72 0.52 . . . 99.56
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