Unity of purpose, or, Rational analysis : being a treatise designed to disclose physical truths and to detect and expose popular errors.

"The object of this work as declared in the title page, is to elicit inquiry into, or reexamination of certain matters which the world at large now receive implicitly, at the hands of others, as scientific truths; but which, perhaps, upon a more rigid and scrupulous examination, divested of a t...

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