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The Aneroid Barometer
Reprint of the original, first published in 1878.
The Aneroid Barometer
Excerpt from The Aneroid Barometer: Its Construction and Use When, however, we regard the coridi tions which arise from its physical prop erties, no such constancy is observable. Indeed, it seems the most fitting type of a transitory state, and whether we regard the temperature, the moisture, the press ure resulting from its weight, or the di rection and velocity of its motions, we can only acquaint ourselves with the limits within which these conditions have been known to vary. The nature of the changes within these limits we can not, in the present state of our knowl edge, assume to predict for the future, except for very limited periods; and even then the prediction is set forth only as a...
