Page:Philosophical Transactions - Volume 004.djvu/139

 together with the Way of making our Salt. If there be any thing, I have forgot, or related obscurely, give yourself only the trouble of advertising me of it, and in my next I will add or cleer it.

AAA. is the Sea.

II. the Entry, by which the Sea-water passes into BB.

BB. the first Receptacle; in which the Water is kept 20. inches deep;

When it raines, the openings 22, 33. are stopp'd, to hinder the Water from running into the Marish mark't EEF. Unless it rain much, the rain-water doth little hurt to the Marish; and although it rain a day or a night, we doe not let the water which is in the Marish run out, the heat of the Sun sufficiently exhaling such Rain-water, if, for example it be not above an inch high. Only, if it have rain'd very plentifully that day, no Salt is drawn for the 3. or 4. next-following days, But