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Confirming the author's notions in the first part, by the authority of the primitive writers. With observations on some late papers, intituled, Answers to the said essay. To which is added, an appendix, touching some proposals made by the authors of the candid disquisitions
'An essay on spirit'is by Robert Clayton.
Though purporting to be by the author of the Essay on Spirit, Robert Clayton disclaims this in his 'Some thoughts'.
Reproduction of original from Cambridge University Library.