(96) 
clifcontinued by reafon of the great Mortality in Londof$^ 
wjhere they were begun to be Printed, it hath been thought 
fit to embrace the fame, and tomakeufe thereof for the 
gratifying of thcCuriouSj that have been pleafcd to think 
wellof fuch Communications; To re- enter whereupon, 
there cifets it felf firftof ali a Relation of an un common 
Eurm^/gGlafsy not long Gncc made in Fr^^;!?re^ in the City of 
tjiom:, hy ono called Mqnficur <^e ViUtte^ aji itwasfentto 
the VuhhjlHroi thefelV^fl/j in two Letters^ whereof the one 
was in AL^f/^e^ the other in French^ to this efFed : 
Concerning the Efficacy of Monfieur de Vilette his Burning 
Glafs, all what the P. BerUt hath written of itj is true. 
We have feen the Kffefts of it repeated over and over again, 
in the Morning, at Noon, and in the After- noon^ always 
performing very powerfully h burning or melting any Mat- 
tetj very few excepted. The Figure ot it is round, being 
thirty Inches, and fomcwhat better, in Diameter. On one 
Cdeit hath a Frame of a circle of Steel, to the end that it 
m?3y keep itsjuft Meafure ; Tis cafie to remove it from 
place to place, though it be above an hundred weight, and 
'iis eafily put in all forts of poftures. The burning Point is di- 
ftantfrom the^ Cenrre of the Glafs, about three Feet. The 
fa^i^fef^is about half a Louys d^or large. One may pafi ones 
band through it^ if it be done nimbly h for if it ftay there 
the time of a fecond Minute, there is danger of receiving 
much hurt 
Green wdod takes fire in it, in an inftant? as do alfo many 
ether Bodies. ^ 
A fmall piece of PoUIronwsis melted, and secoftds, 
ready to drop down, in 40. 
A Silver Tiecd of^ 15 Pence was pierced, in 24. 
A grof • N^if (called le CUn depaifan) was mcltcd,in 30. 
The end of a Sword- blade of olinde^ was burn'd, in 4?. 
A ^r^/r Ct^^^^tr was pierced, in o5. 
A piece of red Copper w2ls melted, ready to drop 
down, in ' 42. 
A piece 
