Laboratory Manual of Chemistry (Classic Reprint)
| Preis: | 13.95 EUR* (inkl. MWST zzgl. Versand - Preis kann jetzt höher sein!) |
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| Partner: | buecher.de |
| Hersteller: | Forgotten Books (Armstrong, James E.) |
| Stand: | 2015-08-04 03:50:33 |
Produktbeschreibung
Excerpt from Laboratory Manual of Chemistry In preparing this brief course, the authors have endeavored to select such work as will best develop the true spirit of investigation. It is not intended to present an exhaustive treatise, but rather a few of the stepping-stones over which the student of this department of nature must travel. We most thoroughly believe that the experiments selected should, as a rule, be of such a nature that the pupil can perform them for himself. The teacher should be but the guide that points out the right path, calling attention to the by-paths of error. The work here laid out should be accompanied by some text-book. The authors have had in mind, while preparing this work, the "Manual of Chemistry," by Eliot and Storer; although it could be used with any other good text-book of elementary chemistry. It is our plan to require three hours´ work per week in the laboratory and two in the recitation-room. The experiments here given, with the necessary practice in determining unknown substances by the Key, will probably occupy the class for forty weeks. Some experiments should be indicated by the teacher for omission, if the time alloted for chemistry is too short. We believe the best results will be attained by requiring the pupil to write his notes in the laboratory at the time the experiment is performed, and not after he has been assisted to draw "bookish" conclusions from various sources. If the work is not so neatly done, or if wrong conclusions are reached, the mistakes are his own and can be corrected by pointing out, not the mistaken inference but the errors in conditions, accidents and coincidences. Let the pupil perform the experiment again in the teacher´s presence, or perform it by direction under new conditions, and so finally be led to detect the error of judgment. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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