Modern conceptions of electricity
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Louis Duncan
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Article
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1890
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Elsevier Science
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English
โ 711 KB
## Modmz Corzceptiom of E'lectriciiy. 87 in a given time, without requiring any additional labor. Thus the invention economizes cost of production, and since the advantages for such reduced cost for labor in proportion to the product, and such improvement in product, are follo-wed by better weavin