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When the present authors entered govern in essence a modern version of "Leach." It mental service, food chemists looked for differs from that book in that familiarity with the everyday practices of analytical chemistry, guidance to one book, Albert E. Leach's Food Inspection and Analysis, of which the fourth and the equipment of a modern food labora tory, is assumed. We have endeavored to revision by Andrew L. Winton had appeared in 1920. Twenty-one years later the fourth bring it up-to-date both by including newer (and last) edition of A. G. Woodman's Food methods where these were believed...