mm AT 10 N. 
metic Science, will always make you efteemed 
and courted by learned and good Men ; but 
I forbear to fay any more, left the Trouble 
I have given you by this long Addrefs 
ftiould be a Trefpafs upon your Patience ; in 
which Cafe I know your Goodnefs will for- 
give me ; and I hope you will be perfuaded, 
am upon all Occaftons, with the 
Sincerity,, 
' - . A • * "T • Tl ...••* --i 
greateft 
SIR, 
Dartmoutb-Jlreet, 
WESTMINSTER, 
' Augufi 15. 1741. 
Tour moff affectionate Friend, 
u ^ ^ n * , 
and obliged humble Servant , 
Cromwell Mortimer, M. D. 
Secretary to the Royal Society, and 
Fellow of the Royal College of 
Physicians, LONDON. 
