[ 2 ] 
of your country, incites me to addrefs to you the fol- 
lowing account of the genuine manufacture of fo- 
reign ifinglafs, with the method of making it in 
England from Britilh materials. If you fhould judge 
the fubjedt deferving attention, you will do me great 
honour in prefenting this paper to the Royal So- 
ciety : but this I beg leave to fubmit to your judge- 
ment and candour, and to fubfcribe myfelf, 
With great efteem. 
S I R, 
Your moft obliged. 
and moft obedient 
humble fervant. 
Great Tower-Hill 
June 15, 1772. 
ALL 
