An Ingenious person, and very worthy of Credit, inform'd me the other day, <in>replacing 'thereto by way of' answer to some questions that I proposd to him, that Hee was imployd some years ago by a German physitian (whose Name hee told me) to distill a certain Minerall not unknown to me which hee performd in a naked fire with <so>insertion in margin good success that he had from about {pound} {half} of the minerall neer {ounce}altered from '{drachm}' iii of the liquor; this hee included in a glass with a bubblefirst 'b' inserted and a slender neck like one of my weather glasses: But tho. the liquor at first reacht not above the bubble but onely filld it to the botom of the pipe, yet as the Moon encreasd this liquor, as the doctor expected, by degrees, expanded it self in the glass, so that about the full {moon} it reacht about an inch into the pipe < and upon the decrease of the {moon} it subsided by degrees to the botom of the pipe.>insertion in margin And'A' altered from 'a' when I askt whether the vessell were †sealed, the R he deleted carefully stop'd, hee answerd That it was not only so but hermetically seald like one of my Thermometers with †Sp deleted {spirit of wine} which hee had seen. This the Relator averrd to me upon his own Observation †and having told me the occasion of the tryall and deleted and being desired hee readily gave mee a description of the minerall, and a direction where to procure it (which I am now indeavouring to do) adding that the same Dr made the like tryall with another