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 found to my wonder, that not onely the oyl remain'd unfrozen by the sharp frost it had been expos'd to, but that it had not its transparency troubled, though 'tis known, that oyl will be brought to concrete and turn opacous by a far less degree of Cold than is requisite to freeze water; notwithstanding which this liquor, which was lodged in a glass so thin, that 'twas blown at the flame of a Lamp, continued fluid and diaphanous in very frosty weather, so long till I lost the expectation of seeing it congeal'd or concreted. And this brings into my mind, that though Camphire be, as I formerly noted, reckon'd by many potentially cold, yet we kept some oyl of it, of our making, wherein the whole body of the Camphire remain'd, being onely by some Nitrous Spirits reduc'd to the form of an Oyl; we kept it, I say, in such intense degrees of Cold, that would have easily frozen water, without finding it to lose its Trans-