II. An extract of a letter from Dr. William Oliver, communicated by Walter Moyle, Esq;

Abstract

Sir , When we Cruised in the Bay of Biscay , June the 8 th , and had a hundred Fathom of Water, we took a Quart Glass Bottle stopt with a large Cork, and after tyed down with a Strong Packthread, as we use to for Bottle Syder, or Ale fastening our Bottle to our Plumbing rope and with as soon as we perceiv'd, we drew it up again, and Found the Cork quite prefs'd thro' the neck of the Bottle into its cavity and the Bottle full of Salt Sea Water.