[ 454 3 
die } neverthelefs they often contribute to it, parti- 
cularly, when there is join’d fome ftrong boiling 
Fermentation, It is from fuch a Caufe, that we 
know how the Mixture of two Liquors, altho’ cold 
to the Touch, produces a flaming Fire. 
Becher was the firft Difcoverer of this marvel- 
ous 'Phenomenon , by mixing Oil of Vitriol with 
that of Turpentine. Borrichhis afterwards did the 
fame, by mixing Oil of Turpentine with Aquafortis ; 
and at laft Monfleur Tournefort , by joining Spirit of 
Nitre with the Oil of SaJJafras ; and Monfleur Horn- 
berg with this acid Spirit, together with the Oil and 
Quinteffences of all the aromatic Indian Herbs : Nay,. 
Mr. Homberg aflerts, that with a certain cold Water 
Cannons were fired, Anno 1710. in the abovefaid Hi- 
ftory of the Academy of Sciences , p. 66. 
It is out of Queftion, how, by a ftrong Fermenta- 
tion, Magazines of Gunpowder, Barns, Paper-Mills* 
and Haycocks, have been fet afire. 
The acid Particles in our Bodies are much united 
with the Fat and oily Parts; nay, all our Limbs 
abound with Oil and Acid. What Wonder then, if 
they may kindle? as Mr. Homberg well obferves, 
in the aforelaid Hiflory, 1712. 1717. from p. 13* 
to 3 1. where he takes notice, that all our Limbs have 
abundance of fetid Oil, and volatile Salt, and there- 
fore eafily combuflible. 
We ought not to omit how the Teeth are form’d 
by fo many fhort Tubes, the Bones by long ones, 
and eafier therefore to be fet on Fire. Malpighi ob~ 
ferved alfo, that the Bones contain a fat oiiy Matter. 
Bcfides all this, we know that the febaceous Glands 
are fpread all over the Body and that an oily Moift- 
urej, 
j 
