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briety of my crew that I afcribed, in fome mea- 
lure, their uncommon healthinefs; for failors 
breathe a purer air, and enjoy more exercife and 
liberty, than palTengers or Haves : wherefore their 
ailments are owing to bad or diforderly living as 
well as to unwholfome air. 
Could I but fee the immoderate ule of fpirituous 
liquors lefs general, and the benefits of ventila- 
tors more known and experienced, I might then 
hope to fee mankind better and happier. I am, 
“SIR, 
Brlfiol, Dec. 
26, 1753- 
Your mofi: obedient fervant, 
Henry Ellis.’" 
4 P* And,_ by the like good condud, in his 
next voyage in the year 175-5, not one of 312 Haves 
Gied ; and all his 3 6 failors arrived alive and well at 
BriHol. 
yo. And the Earl of Halifax has often informed 
me of the great benefit they found by the ufe of 
ventilators, in feveral Nova Scotia tranfport-Hiips, 
twelve to one more have been found to die in un- 
ventilated than in ventilated Hiips. It is indeed a 
felf-evident thing, that the changing the foul air fre- 
quently in Hiips, in which there are many perfons, 
will be a means of keeping them in better health 
than not doing it^ which makes it the more afioniHi- 
ing that eifedual propofals to remedy fo great an 
f j. received with fo much coldnefs and 
indifference by mankind. They little confider, that 
^ it 
