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It must be a sad sight to those writers in this country who have always opposed the decimal system to find that British Pharmacopeia now adopts a dual spstem of weights and measures in all its formulæ except those employed in testing. The British Pharmacopeia states: "The alternative employment in the British Pharmacopeias of 1867 and 1885 of metric weights and measures in the paragraph relating to volumetric analysis is not extended to every official paragraph which makes reference to the usual Imperial weights and measures but the metric system alone is employed in all paragraphs relating to analysis whether the gravimetric or volumetric. During the period of transition from the Imperial to the Metric system a certain amount of confusion is likely to occur."
The editor of this work, Dr. Martindale, says, "To aid the transition, therefore, and to avoid confusion as much as possible we have in a
The Extra Pharmacopeia. Revised in accordance with the "British Pharmacopeia" in 1898. JAMA. 1898;XXXI(4):192. doi:10.1001/jama.1898.02450040042014
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