Excerpt from Treatise on General and Industrial Organic Chemistry
For the purpose of this English translation of his "Trattata di Chimica Organica," the author has made a number of alterations in and additions to the text of the second Italian edition, these consisting principally in amplifications of the statistical data referring to Great Britain and the United States.
It has been deemed undesirable to convert the metric weights and measures into those of the English system, but, in general, prices are given in British currency, twenty-five lire being taken as the equivalent of one pound sterling. Where quantities are given in tons, the latter are to be read as metric tons of 1000 kilograms or 2204-6 lb. avoirdupois.
The abbreviations employed for the different units of weights and measures are those in common use, and temperatures are expressed in degrees Centigrade in all cases.
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