In a previous issue of the BRITISH FOOD JOURNAL (1919, July, page 61), the writer gave a short general account of the procedure adopted in the City of Hull to secure the production of a cleaner milk supply, and in response to many requests he has here set down the salient features of the sedimentation method used to determine the amount and character of the extraneous sediment present in milk samples submitted under the Sale of Food and Drugs Acts. Whilst the apparatus used and the method described may have some novel features, no credit is claimed for originality in the main principles of the operation. Previous workers, such as Sir A. Houston (1905), Mr. W. F. Lowe (1906), and Dr. T. Orr (1908), have all used similar methods.
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