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 powell] TECHNOLOGY, OR THE SCIENCE OF INDUSTRIES 349

our theme, for we are not writing a medical treatise, and it might lead us too far from our knowledge. Then we are immediately led to the discovery of remedies, and here again we strike upon the pentalogic substances which are employed as remedies, and show how substances, forms, forces, causes, and concepts are employed as remedial agencies. Here again we must stop, lest we enter into disputation and show our ignorance.

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