But touching his Experimetit of a New and before never ufed ^i^d- 
(as he caiiskj whereby, contrary to the common Wind-guns, 
in which by flore of well-cornprcfs'd Air, Bullets may be Ihot, he 
teacheth, that by evacuating and wcakning the Air, the like effed 
may be produced J as to this, I fay, the Reader wiil find the fame 
Frincipie raade ufe of by Mr. Baji/e in his lately- mcntionM Cmim- 
mion, the fourth Experiment about a New HysbrmlQ-^mumatkai Fonn» 
tain, made by the Spring of un- corner e^ed Air, 
As to the Experiment related by this Author/. 3.^.7. of making 
Water fall in vacuo^ with fuch a noife, as if it were a hard fobftance, 
it appears by the formal of th^ R* Society^ that fuch an one was made 
before that Illuftrious company by Mr. B&y/e fome years ago. 
For aconclufion of this Accorapt, /fliali take notice of an Expe- 
riment, raentionM by our Author, /. $,c, 15 by which he thinks 
may bereprefented the chief Vertues, he snumerates of our Earth, 
perform'd b^y a Globe of Sulphur melted and cooled again, and then 
perforated, to trajeft an Iron ^at/j through it for circumvolution ^ 
whereby, attrition being ufed withal, he affirms that the Irapulfive, 
Attradive, Expulfive, and other vertues of the Earth, as he calls 
them, may be ocularly exhibited. How far this Globe and its per- 
formance may be confided in, the Tryals and Confiderations of 
fome Ingenious perfons here may perhaps inform us hereafter* 
SI, Tbefmrpis MEDIC IN t^PRmTIC^y£ ; ftndio & opera Tho:: 
mae Burnet Scoto-Britanni, M, Z>. ^ Medici Regis Or din arii : Lon- 
dini /?»p^Az// R. Boulter apud injigne Capitis Xurcae in vico dido 
Cornkill^iCjZ, in ^0, 
THis Learned and Induftrious Author, having confidered the fe- 
vera! abilities of Phyficians, and the diiFcrent ways of their 
writings refpedively fome delivering Medical Inftitutions and 
Gontroverfies ^ fome commenting upon Hippoeratei and Gden j 
thcrs publi/hing Methods of Curing Difeafes and Pradical Phyficks^ 
others augmenting the Medical matter, and teaching the way of Pre- 
paring Medicines S many improving Anatomy 5 and not a few re- 
cording Obfervations and Confultations rHaving, I fay, confidered 
this variety and diverfity, he pfeferrsihe lafl; way of all as appearing 
to him moft ufefuf to Mankind h and therefore undertaketh in this 
.Work of his to give us a Treafure of Pradical Phyfick, collected 
from the Obfervations and Advices of a great number of Phyfical 
Writers, both Ancient and Modern, fuch as he eftecmcdto be moft 
confiderablc of that profeffion. In the doing of which, he enume- 
rates in an Alphabetical order about 410 kinds of Difeafes of humane 
Bodies, partly inward, partly outward • defcribing their nature? 
and fymptoraes, and declaring withal the ways of cu.re, as they are 
to 
