'APPENDIX. 325 
fure be prevented, if Goals vv^ere fo contrived 
as to have a free Paffage for the Wind to 
blow through them, and thereby communi- 
cate frefli Air, for want of which many of 
thofe unhappy Perfons are not only deprived 
of Liberty in Goals, but too often even of 
Life al(b. 
4. I have been informed by a Perfon long 
experienced in maricim Affairs, that when 
the Air between Decks has grown offenfive 
by the Vapours arifing from the Bodies of 
many Perfons, that it has been found of fome 
Benefit towards purifying that Air, to wafh 
the Beams of the Decks with Vinegar, and 
to fprinkle it about ; and accordingly in Ex- 
feriment CXVI. Vol. I. p. 166, it was found 
that an Air which pafled through Cloths 
dipped in Vinegar could be breathed to and 
fro as long again as the like Quantity of Air 
which was not thus purified ; fo that the 
fprinkling of Vinegar between Decks might 
a little refrefh the Air ; yet where the Stench 
is great it can be of but little Benefit, and 
that only for a fliort time ; nothing but a 
thorough ventilating Air can then be an ef- 
fectual Cure. Vinegar has been long looked 
on as anti-peftilential ; whence it is probable, 
Y 3 chat 
