Thofe Mines coft the Emperour heretofore 70000^ or 
80000. Fkrens yearly ^ and ycilded lefs Mercnrj then at 
prefcntjalthough it cofts him but 28000. F lor ens now. You 
may fee what his Imperial Majefty gets by the following- 
account 5 of what Mercury the Mines of idria have produ- 
ced thefe laft three years. 
1661 I \ 1662. L 
Oxd\mry Mercury 198481 Ordinary Mercury 225066 
Virgin Mercury 61^^ Virgin Mercury 9612 
204675 I ^2^4678 
^1663 /. 
Ordinary Mercury 2441 19 
Virgin il^er^^r^ 11862 
I55981 
There are alwaies at work 280 perfonsjaccording to the 
relation I received from a very civil perfoUj who infor- 
med me alfo of all the other particulars above- men^ 
tioned 5 whofe name is Achatio Kappenjager 5 his Office^ 
Contra-fcrivano per Jua Maejia Cefarea in idria del Mer-- 
curio. 
To give fome light to this Narrative 5 take this Dia« 
gramme: F. is the water. C. B. a veflel ^ into which it runs* 
DG.EH. FL are ftreamSgperpetually ifluing from that vefleh 
D,E, F, three five-s^ the diftance of whofe wires at bottom 
leflen proportionably. the place 5 wherein the Earthy 
that pafs'd through the five D. is retained 5 from whence 
'tis taken by the fecond raan^ and what pafles through 
the five E. is retained in H. and fo of the reft. KX, M. waft 
waterj which is fo much impregnated with Mercury ^ that 
it cureth Itches and fordid Ulcers. See Fig. 1. 
I will trefpafs a little more upon you , in dcfcribing the 
contrivance of blowing the Fire in th€ Brajsw^rkf ofTivoli 
neer Rom (it being new to me ) where the Water blows 
the FirCj not by moving theBellows^ (which is common) 
but by affording the Wind, See Fig, !L where J» is the 
D River 
