I 
[169 ] 
great mifchiefs may arife to this magnificent build- 
ing, in confequence of obflrudions the fluid may 
meet with in pafling through it. For thefe reafons 
we have recommended very large conductors, that it 
may pafs through them into the ground, as readily as 
it enters. 
Thefe, Sir, are our fentiments in relation to the 
matter, referred to us by the Royal Society, upon the 
requeft of the Dean and Chapter of St. Paul’s. If 
they Ihould be acceptable to the Society, and by their 
means to the Dean and Chapter ; and if, by being 
carried into execution, they fhould at all contribute to 
the prefervation of that noble fabric, it will be a great 
fatisfaCfion to us. We are, with very great refpeCf, • 
Sir, 
Your mofl: obedient, 
humble fervants, 
W. Watfon. 
B. Franklin. 
B. Wilfon. 
John Canton. 
7 June, 1769. Edward Delaval. 
VoL. LIX. 
XXII. Obfer- 
