[ 40 ] 
ton, that was nailed on, and there took Tome pieces 
from a Delft difh without throwing it down, broke 
a quart mug, and from a four-ounce phial half full 
of oil cut off its empty half part without fpilling a 
drop of the oil. The activity of the lightning was 
with abated violence to all other points of the ccm- 
pafs j but not without fome conliderable degree of 
force ; for it fcraped the plainer off the wall in 
many different and difhnt places, both in the cham- 
ber and kitchen : and to the fouth-weft of the cham- 
ber, where was the window, broke many panes of 
glafs, and tore the lead outwardly, without melting 
it ; and broke two panes of the kitchen window, 
with its lead, fituated under the chamber window. 
Both kitchen and chamber lmelt as flrong of ful- 
phur fome hours after, as if fumigated with brim- 
lfone matches. 
Sam. Cooper. 
VIII. Experiments concerning the Encauftic 
Painting of the Ancients . In a Eetter to 
the Right Honourable George Earl of 
Macclesfield, P ref dent of the Royal Society , 
from Mr. Jofiah Colebrooke, F. R. S. 
My Lord, 
Read Mar. i. /' | ^ H E refult of experiments (what- 
f ever the fuccefs attending them 
may be), in philofophical or mechanical inquiries, is 
not below the attention of the Royal Society. 
The 
