titute of cohesion. The distinctions made be- inches in diameter we drill the following circles: distribution of power highly concentrated was the chief diffi- tween the different kinds of attraction were probably not made culty in making a direct application of solar heat to moving so hastily as… … Providence, R. I. idea from Mr. Delamater's letter, I will state that it was my Sun Power, Etc, intention to have suggested in my present letter the concen- Poison of the Locust, tration of the solar heat itself, but he has spared me the ne- Messrs. Editors :—In No. 11, current volume of the Sci-…
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