when melted in a Crucible, into a round wooden box* 
which has been whitend with Chalk on all fides with-' 
ill ; then covering the box, and prcfently fhaking it 
about, until the Tinnis become cold, and converted in- 
to a gray powder j in which form it eafily mixes with 
Sales, and other matters. It alfo teaches the making 
Flowers of Jupiter^ (which are Tinn Volatilized, and 
raifed in form of Meal, by means oi a Volatile Salt 
oi Salt-Peter i ) and the making an Oyl of Mercury^ 
by diffolviiig fublimate Corrofive in Spirit of Wine; 
which may be done, akho' that Spirit is not able to 
dilTalve Qjiick-Silver, rxoi Mercurius Dulcis. 
A Cauftic Oyl of Antimvny is taught to be made by 
.diffolving Antimony in the Acid Spirits of .S^/^ and 
VitrzoL 
A Method is given for drawing an Oyl and Spirit 
oi Paper, 
An Account of the Peruvian Bar\ is inferted, to- 
gether with the manner of drawing a TtnBure^ and 
making an Extradt, of it. 
An Account is given of Sugar^ and the Spirit ©f it, 
and of the Thofphorus, 
Colkgii Experimentalise five Curio fi^ pars Secunda\ 
per Jo. Chrift Sturmium. Alcorfi, 49. 1^85. 
THE Author gives an account of the good faccefs 
he had in ufing a Glafs Diving Bell, made in 
a like form with that otWood, mention'd by Monficur 
Panthot in the "journal des Scavans, 
He treats of fome amendments in the Air-Pump i 
particularly of that kind which is portable. 
He relates fome experiments tried on the Barofcope, 
Polijh't, 
