Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. A laboratory method, of whatever sort, is not absolutely empirical. Its essence is indeed observation, discovery, experiment, but in its outfit must also be included a labora tory manual, to direct and determine its lines of work. Special monographs and records of research have their place, but they do not take the place of this. There is needed, to cover the whole field, some treatise which, presenting the basal principles on a uniform scale and from one point of view.
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978-0-243-76660-4 (9780243766604)
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