Phenix gazette. [volume] (Alexandria [D.C.]) 1825-1833, 1828-05-28

II the o,her two, the dry dust in the ware
house was simply Sc, on fire by the lamp.
Lqmp-back and Hemp-seed OM-The
conf ,gralion of irigate belonging 70 The En-
press Of Russia in the harbor OF Oonstad', on
board Of which there had been no hire, shews
that lamp black, by being moisened with hemp
seed oil, is capable of producing Hame; this
was proved by the experiments VIII CHI the IN
habitants Of Petersburgh made upon the sub
ice. by order Of the Empress Emp Arts
Sciences.
oiled Clyths.-The burning of store
house Of sails, which happened al Bress in 1857,
was caused by the spontaneous it'll animation oil
some oil cloths, which after having been paint.
ed on one side and dried in the sun, were stor-
ed away while yet warm, as was shown by sub
seoueni experiments. Ibid.
Linen rags and vegetable substances
The heaps Of linen rays thrown together IN
| large quantities in paper manufactures, the
preparation Of which is FASTENED by meals oil
fermentation, ofen take fire il moi carefully al
! tended to. Fermentation will also produce
| spontaneous combustion and inflammation III
other vegetable substances, as in new hay, wei
grain, madden, malt, SC. II piece OF iron De
left in stack of hay in fermentation, lnfiam-
nation is almost certain consequence. lnid'
Anin,at Substances. -Spontaneous IN
| Elimination has been known to take place in
animal substances, as in woollen cloth not scour-
ed heaps Of woollen yarn, and cloth while go,
ing to the fullers. Tsese instances oecHrred
where ,hc substances heaprd together retained
a considerable degree of moisture as well as
oil.
Mineral Substance -Pyrites, an iron ore
containing sulphur, if weiled and exposed to
the air, will take fire. Pit coal laid III heaps
will sometimes inf1ame spontaneously. his
is probably owing to the pyritrs which IL occa-
sonaly containe. An instance OF this KIND oc-
CURED IN coal yard in this city near the loot
Of Rector street, during the summer OF 1872,
at the time Of the prevailing yellow lever.
1t is well known that when water is admitted
10 come in contact with quicklimc, the heat
tproduced will set fire TO wood.
Spontaneous innanma,ions are frequent, and
their causes various, requiring attention and
vigilance, particularly over deposits oil hemp,
cordsge, lamp black, pitch, tar, oiled cloths,
SC. which should never be left heaped up II
they have any moisture in lhem.
substances requiring contact OF .Fanae. -
"Substances in fermentation are very often un
able 10 nname Of themselves, but the simple
con,ac, of fame is sufficient to kindle them rs-
| pldly, as many examples GehonS'aV' '' '"a'
we might make a separate class OF those sub
stances in which Inflammation cannot take
place of itself, but which are set on fire by the
approach Of fame; Of this we have All exam
pie in the accident which happened in the Hour
warehouse. Emp. Arts and Sciences
This is The case with The distilla,ion Of spi-
ris, ether, alcohol, spirits Of turpen,lne, and in
places where ourdomestIc whskey is rectlhed
or converted into neutral spirits. lac subtle
and inHammable v2pors occasionally diHused
in the places, will lake fire on The approach OF
lamp or candle.