( ) 
rernal Air, will burn but a little longer than in the 
firft Experiment ; and if you blow in at the Pipe 
with your Mouth, it will go out rather fooner. 
ExPERI ME NT IV. 
?/- : •' * ' ' ’ * * ^ '■** * ^ \ * * y • j 
Blow in at the Pipe with Bellows, and the Candle 
will burn as long as you will. 
V. ^Chemical Experiment/^ Mr. John 
Maud, ferving to Ulujirate the Phoeno- 
menon of the Inflammable Air Jhewn 
to the Royal Society by Sir. James 
Lowther, Bar ■■ as defer ibed in Phi- 
lofoph. Tranfadt. Numb. 419. 
S IR James Lowther having formerly favour’d 
the Society with an Experiment upon fome 
Air which he collected out of a Coal-Mine, and 
brought in Bladders clofe tied, by Sea to Town: 
The EfFecSt of which was, that the Air being 
prefs’d out of the Bladder through the fmall 
Orifice of a Tobacco-Pipe, wouid catch Fire from 
a lighted Candle, and burn like an inflammable 
Spirit, until it was all confumed. A particular Ac- 
count of which has been printed in the i Philofoph. 
Tranf. Numb- 429. p. 109, & c . 
Upon confidering that the Caufe was only a 
great Quantity of fulphureous Vapours flu&uating 
in that Air, I was naturally induced to make an 
Eflay 
