On the Importance of the Study of Chemistry As a Branche of Education for All Classes
The book On the Importance of the Study of Chemistry As a Branche of Education for All Classes was written by author Charles Daubeny Here you can read free online of On the Importance of the Study of Chemistry As a Branche of Education for All Classes book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is On the Importance of the Study of Chemistry As a Branche of Education for All Classes a good or bad book?
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This is a service not to be rendered by the mathe- matical sciences, which proceed upon exact defini- tions, and habituate the mind to reject whatever does not come within the scope of rigorous deduction. For the relations between natural objects are based, not upon mutual identity, but upon degrees of re- semblance j and the characters of each of them pass by such imperceptible gradations into the next in the series, that every classification must, to a certain extent, be considered arbitrary,... inasmuch as the limits of the divisions recognised can never be strictly defined. Thus the class of metals graduates into that of the simple combustibles through the intervening links of sulphur and selenium ; the acids into the bases [ '37 1 DK. DATJBENY through, alumina; the supporters of combustion into the combustibles through sulphur and phosphorus; the electrics into conductors through the fibre of the nerves and muscles of animals. The study of organic types, introduced by Dumas, and extended by Laurent and Gerhardt, may also initiate the mind in the idea which serves as a key to all the arrangements in the natural sciences — an idea which will be equally serviceable in grouping together the facts concerning our moral nature and the ordinary transactions of life, namely, that of adopting for our classification of bodies some cha- racter of primary importance, whilst we neglect those minor differences which must ever exist between one individual object and another.
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