from  Lightning  at  Purfleet.  243 
We  beg  leave  to  tranfmit  to  you  a copy  thereof,  to  be 
laid  before  the  Royal  Society;  and,  at  the  fame  time,  we 
deiire  the  favour  of  their  inftrudlions,  if  any  thing  more 
can  be  done,  in  order  to  the  prefervation  of  his  Majefty’s 
magazines. 
We  are,  See. 
AMHERST. 
CHARLES  FREDERICK. 
CHAS.  COCKS. 
TO  THE  KING. 
S I R, 
YOUR  majesty,  in  confequence  of  the  accident 
from  lightning  that  happened  to  one  of  -the  buildings  at 
Purfleet  in  May  laft,  having  been  gracioufly  pleafed  to 
intimate  the  propriety  of  making  fome  farther  experi- 
ments, to  afeertain  the  bell  method  of  preventing  fuch 
accidents  for  the  future ; and  having  alfo  condefcended 
to  be  prefent  at  the  exhibition  of  thofe  experiments  at  the 
Pantheon ; I have  prefumed  to  addrefs  to  your  majesty 
Vol.  LXVIII.  Ii  this 
