ABSTRACTThe experimental bean cooker devised by Mattson and modified by Morris has been modified'electrically so that the operator need not be present during a cooking run. This not only saves time but, with samples that cook relatively rapidly, increases accuracy. When the percentage of beans cooked “done” is plotted against time on log‐probability paper, the points fall closely about a straight line. It is believed that the “median cooking time” derived from such a plot represents the cookability of an entire sample somewhat better than does that from the S‐shaped curve which results when the data are plotted on rectilinear
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