Ontario Sessional Papers, 1908, . Assistant Dairyman, Bureau ofAnimal Industry, Department of Agriculture. His original apparatus is des-scribed and directions for its use given in Circular 100 of the Bureau while the Wag-ner Glass Work of New York City, in their illustrated price list, describe both theoriginal and improved apparatus, give prices, and print in full directions for using. 1907 AC;RICLLTi;k.\l. collhgk. To gain some idea as to accuracy Ave determined moisture in a numberof butters and checked the results by means of figures obtained from thesame sample, using the o
Ontario Sessional Papers, 1908, . Assistant Dairyman, Bureau ofAnimal Industry, Department of Agriculture. His original apparatus is des-scribed and directions for its use given in Circular 100 of the Bureau while the Wag-ner Glass Work of New York City, in their illustrated price list, describe both theoriginal and improved apparatus, give prices, and print in full directions for using. 1907 AC;RICLLTi;k.\l. collhgk. To gain some idea as to accuracy Ave determined moisture in a numberof butters and checked the results by means of figures obtained from thesame sample, using the official standard method outlined in Methods ofAnalysis adopted by the Association of Official Agricultural following table gives in detail the results of these determinations. Inmost cuses the table also shows duplicate figures and from a studv of thesesome idea can be gained as to the constancy of results which it is possibleto obtain bv use of the different methods. COMPAT^TSOX OF MeTIIODS OF DeTEKMINIXG MoISTUKE IN There is no question as to the accuracy of the official method. Resultsobtained by its use are absolutely correct, except in so far as they are modi-fied by inevitable experimental errors, in sampling, weighing, etc. There-fore, any method which gives results which correspond with those obtainedby the official method must be considered accurate. Looking over theabove table, it will be seen that the results from both the Beaker methodand Grays Improved method compare very favorably with those from theOfficial method. The Beaker method tends to g-ive results which are a littletoo high, but the greatest error shown only amounts to per cent, andmost of the results correspond almost exactly with, or differ only so slightlyfrom, those of the standard that the difference might easily be due to ex-perimental error. On the other hand, Grays improved method inclines togive results slightly too low, but, here again, the greatest error is only
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