(97) . 
Apiece of a ChamUf ^arry-ftom was vitrified^ fee. : 
and put into a Glafs-dropj in 45. 
Steely whereof Watch-makers make their fprings^ 
was found mcltcdj in o^, 
A Alineral-jUney fuch af is ufcd in Harquebiiffes 
ir^^^efj was calcin'daad vicnfiedj in '-iX^^ 
A piece of MdrHrw^% vitrified^ in S^. 
In fhort, there is hardly any Bodyj which is not deflroy- 
ed br this Fire. If one v/ould melt by it any great quantity 
of Mettal, tliat would require much time^ the Actbn of 
Burning not being performed but within the bignefs of the 
focHf^ fo that ordinarily none bat fmall pieces are expofeii 
to it. One Monfieur ctAlihert buys it, paying for it Fifteen 
hundred Livies. 
Since this Informationj there were, upon occafioa gi ven 
from hence, upon the fame fubjed, further communicated 
from Piw the following Particulars / 
I fee by two of the Letters, that you incline to believe^ 
theOlaffcs of Maginus and Sept dim do approach t6 that of 
Lyons i But I can affure you, they come very far ftiort of it^ 
You may confult Maginus his Book, where he defcribes his ^ 
and there are fomc Perfons here that have feen one of his 
beft, which had but about twenty Inches diameter i fothat 
this of Lyons muft perform at leaft twice as much . As to 
Septalius^ we expcd the Relations of it from Intelligent and 
Impartial Men. It cannot well be compared to that of 
Lyons ^ but in bignefs 5 and in this cafe, if it haye five 
Valms (as you fay) that would be about 5t (ctt Ffench^ and 
foit were a Foot bigger^ which would make it half as much 
greater in furface : But as to the EfFeits^ feeing it burns fo 
far ofFj they cannot be very violent. Ai^d I have heard one 
fay^ thath^.d feenit, that it did not fet Wood on Firehut 
after the time of faying a Mijlrcre^ You may judge of the 
diiSerence of the Efftasg fince that , of f.j's;/-f gnhers its 
Beams together within the fpace of feven or eight I/^^J" 0 
O 2 and 
