r?54 ) 
would go out almoft as foon as it was let down into that* 
foul Air. Then fixing the Trunks (or fquare Pipes) to 
the forcing Hole of the Engine, I drove frelh Air into 
the Bottom of the above-mention’d Receiver ; fo that 
the foul Steam came out at the Top of the Receiver,, 
which was open. 
Experiment II. Having fill’d another Receiver 
(clofe at Top) with foul Steams, as before, I plac’d it 
in a Pofition alinofi: horrizontal, only with the clofe 
End fomething above the open End, that the. foul Steam 
might not go out of it felf, when fpecifically lighter 
than common Air. I fix’d the Trunks to the Sucking- 
hole of the Engine ^ and by working the Engine, drew 
out the foul Steams from every Part of the Receiver^ 
as the Trunks were applied to them fucceflively. 
ExpefvIMEnt III. Having fill’d with foul Steams, 
and fet upright (as in the firft Experiment) the cylim 
drick open Receiver, 1 applied' the Trunks to the fuck- 
ing Part of the Engine, with their open End near the 
Bottom of the Receiver. Then, by pumping, the Steams 
were all drawn downwards, and fo out at the Top of 
the Trunks at the Engine ; whereas, in the firft Expe- 
riment, they - were driven out at the Top of the Re- 
ceiver. 
Experiment IV. Having fet a Candle in the 
cylindric Receiver above-mention’d, without having 
fill’d it with Steams, andftet down the Trunks into the 
Receiver, below the Flame of the Candle, I laid the 
wet Leather over the Mouth of the Receiver, leaving 
about Half an Inch open, for the Air to come in;, not- 
withftanding which the Candle began to dwindle, and 
be ready- to go out ; but working the Engine with the 
Trunks 
