Applications of the principle of the pho
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William B. Cooper
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Article
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1882
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Elsevier Science
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English
β 215 KB
## Phonodynamograph. 49 or innutritious; metallic compounds found in the analyses are therefore to be traced to atmospheric deposit adhering externally. The theory of Freytag seems to have the weight of fabts in its favor, and if it is possible that crops may become charged in this way with poison