extruenio novA Fa fa q»am hac, fi Fa fa, in ordintm regular em 
(^generatioj^i idoneam refiituerido^ Ohfervattones demum quas 
l^ranfaUionibus proxirne editis & edendis ( Num. 1 39 1 40 ) 
is$jerut ^altera de Fdtu non matris in utero fed Jbdomineinvento^ 
altera de lefiimU f potius Ovario cujafdam mulieris HydropicOy 
rem omni dubio for fan extricabmt. 
7he j4rl ofRefinir/g^ communicated by Df.Chriftopher Merrk. 
T He end hereof, is the reparation ofalloiherBodiesfrom 
Gold and Silver ; which js performed four ways, vtz. 
By Parting, by the tefi^ by the Almond Furnace or the Sv^eef^ 
and by Mercury, 
JPjRtlNG is done with ^qua fortis, which the Refiners 
make thus, Salt Peter Ibiii. Vantzickjitriol Ibii^ 
Let them be Nrellbruifed and mixed in a Morter and then 
put into 2L Leng-necki which is an Earthen Veffel fonamed 
from its Figure, Then fix or eight of thefe Long necks thus 
filled, are placed in each fide of their Furnace, on a Range 
built with Iron Barrs, of the form of a parabola, at above 
nine Inches diftance one from another, and clofed at the fides 
with Bricks, The upper Arches are left open ro put in and 
takeout the Pots. Over the faid Arches they lay large Bars 
oflron, and then coverall ihetopof the Furnace with Lome, 
the Body of each Lc ng- neck \y\ug naked to the Fire, theNeck 
outward; to which the Receiversj whether of Glafs or Ger- 
man Pots, are well Luted* 
Note that if the Vitriol be not Dantzick ^which is made with 
Copper y but EngHfb^ whch is made with dd Tron; the 
Water will be weaker, and make a dirty coloured Verdirer, 
and wholly fpoile ic 5 befidcs, the Silver will n^t gather fa 
well to the Copper after diflblution, and thereby becomes 
black. 
Their Lute is made of good Lome, fomeHorfe Dung, and 
a Ii:tle Colcothar\ although the two former do welL The 
Iqting being well laboured and applyed, they make a gentle 
Charcoal fire under the Pots, for three hours, and then in- 
creafe it for three hours more : about the fevenihhour, they 
make a vehement hot Fire for four hours, and caft inatlaft 
well dried Billets of the length of the Furnace, whofe flame 
fur- 
