[ 2j 6 ] 
Captain Robinfon, who is lately arrived from India, 
fays, he found fo much benefit by ventilators, that 
he will never go a voyage without them ; and that 
he loft but two men in two years. 
There are many other inftances of the benefit of 
ventilators in fhips, not only to the health and lives, 
but alfo to the provifions, &c. 
I am, Sir, with great refpedt, 
Your obliged humble fervant, 
Stephen Hales. 
XXXIII. Obfervatio?is o?i the Roman Colo- 
nies and Stations in Chefhire and Lanca- 
shire, by Thomas Percival Efq\ communi- 
cated by Hugh Lord Willoughby of Par- 
ham, R R. S. 
Read June 13. JN the fecond iter of Antonine's Itinerary, 
1751. 
we find, after feveral other ftations 
mentioned Eboracum 
Calcariam m. p. ix. 
Camulodunum m. p. xx. Tho’ with various 
Mamucium m. p. xviii. 
Condate m. p. xviii. 
Devam M. p. xx. 
It is agreed, that Deva is Chefter, and that Mamucium 
or Manucium or Mancunium, is Mancheftcr, by the 
common confent of all antiquarians. But where Con- 
date 
readings of the 
names. 
