A short text-book of inorganic chemistry / by Hermann Kolbe ; translated and edited by T.S. Humpidge.

  • Kolbe, Hermann, 1818-1884.
Date:
1884
Catalogue details

Licence: Public Domain Mark

Credit: A short text-book of inorganic chemistry / by Hermann Kolbe ; translated and edited by T.S. Humpidge. Source: Wellcome Collection.

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    AUTHOR’S PREFACE. This short Text-book has been written to recall to the memory of students who have attended a course of lectnres on Exj>eri- mental Chemistry what they have seen and heard, and to clear up any points which may not have been properly understood. A necessary condition for using a text-book of chemistry successfully is attentive and continuous attendance at the lectures. Students in arts who have not regularly attended a course of lectures may be able to read up afterwards what they have missed ; but a lecture which has not been attended by a Student of chemistry cannot be rnade up by mere reading— neither the notes of the lecture by other students, which ought to be extremely few, nor a text-book, can serve as a substitute for what has not been heard. The chemist has to learn, not by reading rior by hearing alone, but both by hearing and seeing. A person who has not seen the phenomena produced by the union of oxygen and hydrogen, for example, can have no clear conception of them, nor of the Chemical change which accom- panies them. Nothing is more foolish than the opinion, which