Showing How Sea-Water May Be Made Fresh And Wholesome: And How Fresh Water May Be Preserved Sweet. How Biscuit, Corn, Etc.. May Be Secured From The Weevil, Maggots, And Other Insects. And Flesh Preserved In Hot Climates, By Salting Animals Whole. To Which Is Added, An Account Of Several Experiments And Observations On Chalybeate Or Steel-Waters Which Were Read Before The Royal-Society, At Several Of Their Meetings.