4 NATURAL HISTORY. 



cleaving body ; and so the finer parts are freed from 

 the grosser. So the apothecaries clarify their syrups 

 by whites of eggs, beaten with the juices which they 

 would clarify ; which whites of eggs gather all the 

 dregs and grosser parts of the juice to them; and 

 after the syrup being set on the fire, the whites of 

 eggs themselves harden, and are taken forth. So 

 hippocras is clarified by mixing with milk, and 

 stirring it about, and then passing it through a 

 woollen bag, which they call Hippocrates s Sleeve, 

 and the cleaving nature of the milk draweth the 

 powder of the spices, and grosser parts of the liquor 

 to it ; and in the passage they stick upon the 

 woollen bag. 



7. The clarifying of water is an experiment 

 tending to health ; besides the pleasure of the eye, 

 when water is crystalline. It is effected by casting 

 in and placing pebbles at the head of a current, that 

 the water may strain through them. 



8. It may be, percolation doth not only cause 

 clearness and splendour, but sweetness of savour ; 

 for that also followeth as well as clearness, when the 

 finer parts are severed from the grosser. So it is 

 found, that the sweats of men, that have much heat, 

 and exercise much, and have clean bodies, and fine 

 skins, do smell sweet ; as was said of Alexander ; 

 and we see commonly that gums have sweet odours. 



Experiments in consort, touching motion of bodies upon 

 their pressure. 



9. Take a glass, and put water into it, and wet 

 your finger, and draw it round about the lip of the 



