Sentence:  Now though "Cider" uſed in my Method ſhould not "ferment" at all, till it come into the "Bottle", and then but a little; yet the Cauſe of "Fermentation" being in a great Degree taken away, the reſt can do no conſiderable Harm to thoſe who drink it, ... It is in your "Power" to give the "Cider" juſt as much <WSD>"fret</WSD>" as you pleaſe, and no more; and that by ſeveral ways: For either you may "bottle" it ſooner or later, as you pleaſe: Or you may "bottle" it from two "Taps" in your "Veſſel", and that from the "higher" Tap will have leſs <WSD>"Fret</WSD>", and the "lower" more: ... 
Meaning of the word marked with <WSD> tags:  Agitation of the surface of a fluid by fermentation or some other cause; a rippling on the surface of water.