^W PHILOSOPHICAL TRANSACTIONS. [aNNO I769. 



XX. Meteorological Ohservaihniifor 17 68, made at Bridgeivater, Somerset, and 

 at Ludgvan, CormvalL Communicated by Dr. J. Milles, Dean of Exeter, 

 andF.R.S. p. 155. 



This account shows the highest and lowest states of the barometer, at Bridge- 

 water and Ludgvan, also the depth of rain, for each month in the year 1768. 

 The whole depth of rain being, at Bridgewater 39.29 1 inches, and at Ludgvan 

 50.890 inches. 



><i faAnt • 

 XXL Proposal of a Method for Securing the Cathedral of St. PauPs from 

 Damage by Lightning ; in Consequence of a Letter from the Dean and Chap- 

 ter of St. Paufs to James West, Esq., Pr.R.S. p. 160. 



•^■^fThe following Letter to the President was read, dated St. Paul's, March 6, 

 1769. 



Sir, The consideration of the old church of St. Paul's having twice suffered 

 by lightning, and a solicitude to secure the present fabric from similar accidents ; 

 which, but for the interception of the storm by St. Bride's church, within these 

 few years, might have already happened ; induce us, the Dean and Chapter of 

 this cathedral, to request the opinion of the Royal Society (so justly eminent for 

 the abilities of its members in every branch of science), relative to the best and 

 most effectual method of fixing electrical conductors. We shall esteem ourselves 

 obliged to the very respectable body over which you preside, for their sentiments 

 and directions on this subject, and are, with much regard. Sir, your most obe- 

 dient, humble servants, Thomas Bristol, d. Chr. Wilson, S. Barrington, 

 J. Lich. and Gov. 



In consequence of this application, it was desired that John Canton, m.a. Ed- 

 ward Delaval, Esq. Benjamin Franklin, ll.d. Wm. Watson, m.d. and Mr. Ben- 

 jamin Wilson, be a committee to consider the above letter, and report their 

 opinion thereon to the Society ; and accordingly, Junes, 1769, Dr. Watson, 

 at the meeting of the Society, read in his place, a report from the committee ap- 

 pointed to consider the application from the Dean and Chapter of St. Paul's, 

 relating to the preservation of that elegant structure from damage by lightning; 

 for which report, thanks were ordered to the committee, and returned to Dr. 

 Watson : and it was also ordered, that a copy of the said report be transmitted 

 to the Dean and Chapter of St. Paul's, signed by the secretary. 



Report Jrom the Committee appointed to consider of the properest means to secure 

 the Cathedral of St. Paul's from the Effects of Lightning, /iddressed to James 

 West, Esq., President of the Royal Society. 



Sir, 

 As, in consequence of a letter addressed to the Royal Society from the Dean 



