An account of some experiments and observations on tar-water: wherein is shown the quantity of tar that is therein. And also a method proposed, both to abate the quantity considerably, and to ascertain the strenghth of the tar-water / Stephen Hales.

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An account of some experiments and observations on tar-water: wherein is shown the quantity of tar that is therein. And also a method proposed, both to abate the quantity considerably, and to ascertain the strenghth of the tar-water / Stephen Hales.