Tk Chymkzl Touch-Stone of Mr John Kunclc, 
Gentleman of the Bed-Chamber to the Eleftor of 
Brandenburg, De AcUo, isr Vrinofo SaleCalido 
isr Frigido^ contra DoSior: V eights fprit : Vini 
vindicatum. 
Submitted to the Royal Society (/London iffc^ as to 
the high Judges of this matter* 
Berlin thedth, of July 1684. 
T His book, having been fent the S. by the favor 
of that moft Potent Prince, and great incourager 
of Learning, the EleUor of Brandenburg , may for 
that reafon,deferve a large account to be given of it,as al- 
fo for the merit of the perlons therein concerned,who dif- 
pute,like Philofophers, with Experiments in their handsj 
partly alfo becaufe the book is written in High Dntclr, 
a language which few of us underitand fufBciently. 
The Author begins with an Epiftle Dedicatory 
to i^t'R^'^al Society i appealing to them, as to impartial 
judges: he fays, that in his^book, he offers at the nature 
of heat, and coldiin which,or any other thing, in cafe he 
has committed errors, he fhall be made very happy, to 
receive better InftrucSions. 
In the next place, he maketh an Epiftle to the Reader^ 
which is only an Apoiogy,againft fome calumnies thrown 
upon him. 
After this, follows a jfhort Epiftle of Mr. I^un\els An- 
tagonift Dr. Voight to Dr^ Martin Wetfen, which is a 
fliort addrcfsmade to him-, as judge of the controverfy, 
Mr. Kunkel begins to lay down, his Opponents De» 
pofitionsi which are three. 
I. That there is no ^^r/^ under the Sun, that of it fetf 
gives 
