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thorn under Water, and a pretty large Hole happen’d 
to be ftruck in the Bell, by a Boult of the Wreck he 
went upon, at which Time the Air rufh’d out of the 
fame with fuch Violence as aftonifh'd the Beholders 
by the excellive boiling on the Surface of the Water, 
fearing, not without Realon, that the Man in the Bell 
was drowned ; but he clapped his Hand to the Hole 
or Leak, and gave a Sign to be haul'd up, which was 
done with all the Eafe and Safety as if no Accident 
had happen'd to him, the Water having only rifen 
about half a Foot into the Bell by this Leak. 
The very fame Diver that was then in the Bell is 63 
Years of Age, and has ufed the Bulinefs of Diving ever 
fince he was 20, in a common Diving Bell, till of late, 
and is as yet a pretty ftrong and healthy Man : He declares 
that never a worfe Accident happen'd to him in his 
Bufmefs but once, when the Bell he was in rufh’d 
down at once about a Fathom or more, by the Care- 
leffhefs of thofe that work'd the Bell 5 at which Time 
the Blood came out of his Nofe and Ears, feeling be- 
fides an intolerable Preffure on his whole Body; 
which {hews, that when a Man in a Diving Bell is 
flowly ana gradually let down, he at fuch a Time and 
by Degrees refpiring comprefs'd Air, which by the 
Lungs is forc'd into the Blood, cannot feel 
the external Preffure, tho' of highly comprefs'd Air, , 
furrounding him, and that of the Water reaching 
fome Parts of his Body, which Convenience no other 
Invention can yield or afford, where the Diver is to- 
draw his Breath from Air in its natural State. 
I have often with a great deal of Pleafure obferved, 
that when I have caus'd the Bell to flop, being lower'd 
down five Fathom, and the Diver taking in the Air 
' contain'd 
