C 353 3 
be rock’d in the fame manner, but not quite fo vio- 
lently : Thefe two fhips lay in the harbour. 
I cannot learn, that the motion was obferved in 
any other of the fhips lying in the harbour, or by 
any perfon on land, not even by thofe, who hood 
near the borders of the dock, bafon, and jetties, and 
faw the motion of the fhips. 
The dock and bafon lie nearly eaft and weft, on 
the weft fide of the harbour. I am, 
Portfea, Nov, S I R, 
23 > 1755 - 
Your moft humble 
and obedient fervant, 
J. Robertfon. 
LETTER. II. 
Prom Philip Carteret Webb, Ef quire, F. R. S» to 
Thomas Birch, " 2 ). i). Seer, R. S. 
In Suflex, and the Southern Parts of Surrey. 
Read Nov. 20, 
» 755 - 
SIR, Bufbridge, Nov. 10, 1755. 
O U probably have had a circum- 
ftantial account of the extraordi- 
nary motion of the water in the dock and bafon at 
Portfmouth, the firft of November, between ten and 
eleven in the morning. An appearance fomething 
like it was obferved about the fame time, in feveral 
confined waters in different parts of Suftex and 
Surrey. 
VoL. 49. Z z 
In 
