Note 2 — Chapter XIII · VOYAGE ROUND THE WORLD, BY COMMODORE ROGGEWEIN, is 1721-1723.1

Footnote 2:

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This is quite erroneous, as it is now well known that the sea water freezes, when reduced to a sufficient degree of cold, considerably lower than what is requisite for freezing fresh water. On this occasion, the salt precipitates from the freezing water, and the ice of sea water is sufficiently fresh for use when melted, if the first running be thrown away, which often contains salt, either adhering to the surface, or contained in cells.E.