e
H
E
M
in Ihe b.llon IVilh fal IlIIe or bees·wax. In dli, eon,lilion
Ihe whole mull be Idl lor IWO
d~ys;
bLc;I"f< Ihe rdfel,
muO nOI be Icpar.lled lill Ihey are perreétly eold, len
Ihe phofl,holu, Ihoul,llake lire.
" As fuoo as Ihe fi,e i! OUI. Ihe
b~lIoo,
IVhieh is Ihco
io Ihe ,1111
k.
prdenlS .1moO agrec.lhlc objeét: AII lile
cm(lly
I'm
Ihereof . u.lVe Ihe WHler fcems filletl wilh
~
bcautiful blue lighl; whieh coollnues for feveo or eighl
hOIllI.
or as long
n,
Ihe uallon keeps w",m, never dlf·
appwiog lill il i. cooled.
" \Vheo Ihe furnaee is quile cold, lake OUI Ihe
ve(.
fels, and feparale Ihem fronl e.lch olher as oc:tlly as pof.
fible Wilh a lioen clolh wipe dWily
311
Ihe block lIuff
you find io Ihe moulh of the bAilan : for if IhO! fillh
Ihould mi wilh Ihe phofphorus. il would hioder il from
being Iraofparcol wheo moulded. This muO be dune
wllh gml eKpedilioo : Mler which pour iOlo Ihe balloo
twO or Ihree quaru of cold \Vala. 10 aeedcme Ihe pre·
cipilalioo of Ihe phofphorus Ihal f\Vim, al IOp. Theo
agilate Ihe waler in Ihe b:llloo, 10 riofe OUI . lIlhe phof.
phorus Ihal may Oick to the fides ; puur OUI all Ihe
lVa·
ler Ihus fhakeo aod lurbid, iOlo
a
very cleao e..flheo
pao , aod lel il flaod lill il growl clcar. Theo dmnl
Ihis fira ufclefs waler, and on Ihe blaekifh fedime n! lefl
al Ihe bonomof Ihe pao pour fome boiliog water 10 mtll
Ihc phofphorul; which thereupon uoiles \Vilh Ihe fuli·
ginous OlAner, or volalile phol phorus, Ihal preeipimed
wilh il. hOlh logelher formiog a mafs of Ihe eolour of
Oale. \Vh.o Ihis wmr in whieh you h",e mehed Ihe
phofphorus
IS
cool enough, take OUI Ihe phofphoru"
Ihro\V il inlo cold wmr, and Ihereio break il 1010 lillle
bits io arder 10 moulol il.
u
Theo lake
a
matras, havinS a loog neek fomewhal
wider oeM Ihe body IhAO al ilS moulh : CUI off hal f
Ihe body. fo as 10 mnke a funnel of Ihe neck pan, Ihe
fmaller eod of whieh mull be Ooppcd \Vllh a cork. The
filll moul.l being Ihus pr<pared, flunge il eodwife, \Vilh
ilS ml1ullt uppelmoll. in a vcf1'e full of boiliog waler,
~nd
lill
ti
"'1I1t
thAt waler. loto Ihil funnel th row the
lillle blls of your Om·like maf" \Vhieh will melt agaio
in thlS hot
"'~ter,
and fAII fa mehd to the bOIlOm of Ihe
tobe.
lir thlS mclled mmer with ao iroo wire, 10 pro·
mote the fepmlioo of the phofphorus from the fuhgl'
n01l1 mitiN with which
11 IS
fouled, aod II'hleh, belOg
lefs poodtrou, than the phofphorus, \ViII gnrlu¿lIy rife a·
hove it
to\\~rd,
the
u~pcr
pan of the C)lioder.
" Keep the wmr
10
the vefl'd as hot as al firll, till
on
t¡~lOg
OUt the tllbe you fee the phofphorul
cle~n
an
tnofpllcnt.
Lu
the clcu tube tool a litde. aod Ihen
rrt ,t 10 10111Wllcr. "here Ihe pholphorus will coogeal as
it cOIIII. When il i, pcrfrétly
coo~ealed,
pull out the
eor~.
And tlh a fm,1I roo neu as big as the tube, punl
the eyliodrr uf phofphoru, 10lvard, the olouth of the fuo–
od. " h
'le
the feeulcocy lie,.
UI off Ihe black pa" of
Ihe
C)
l,tIller. lnd kecp it
.pm:
For hen you h¡re
g~f
a
qu.ntlt Ihneof,
)'OU
mAy
meh
it
OHr
IRllO
in Ihe
lame mann" . lnd feparm Ihe cleao phofphorul hleh
11
Ihll conUlnl.
S
to the ..
11
of the cl'llnder ,,'hleh
" I An .nJ tunf "fOt. If
vnu
IOteod 10 mould it Into
(mAl!.r IhnJm.
V"
mar éut it iD O"es, aoJ mtlt
11
'
OL.II.o.
1j·
J
s
T
R
Y.
1:5
ag~in
by the hdp of boiling lI'aler in glafs tubes of
fOJ~I.
er dimcofions."
ft
is propcr to obferve, io the firfl place, Ih. t ooe of
the 01011 ulllol caufes of mifearriage io Ihis operalioo is
~
dcf.étof the reqllifi te qllalitie! in Ihe retort cmploved,
J
t i, Rufolutcly neceOary tOhave that vclfel macle ni' Ihe
bdt earth,
~od
fo well made that it fh all be
car~ule
of
refifii ng Ihe utOJoll violence of fire, eootioued for a vcry
100Atime.
Wt nlall. in the fecond place, obferve with
M.
Hellot,
..
Ih~t,
befare you fet )'ollr retan io the
ruroa~,
it is
prnper tO make
~o
effay of your matter, tO fee if there'
be reafon to hope ror luccefs. For Ihis purpole PUt a.
bout an olloce thereof ioto a fmall crucible. aod hm il
till Ihe veOel be red. T ite mixture, after hal'iog fmo.
ked, oughl to chop aod crack wilhoul puffiog up, or e–
veo rifine io the
le~lI .
From there crack, \ViII iffue uo.
dulated llames, white aod bluiO" darting upward, wi,h
npidity. This is the firn volalile phofphorus, whiel¡
oteafion, all the danger of Ihe opcration. Wheo th&
firfl n..fhes are over, inereafe Ihe heal of your matw
by
bying a large
live
coal upoo the
cruci~le
You
will tlteo
fee Ihe fecond phofphorus, like a lumioous, Oeady
va.
pour, ·of a eolollr incliniog tOviolet, cOI'ering the ",hale
furfaee Of Ihe maner :
!t
eontinuC! for a very long time,
aod difftle, a fmcll of gatlick, whieh js the
dlaiogulfhio~
odour of the phofphorus you are feekiog.
.. \ hto this lumioolls vapour is enlird)' gane, pour
the red hot mamr out of he crueible IIpon an iroo
pl~te.
If
you do rot find ooe drop of fal t in fufion, but tbal,
on Ihe cootrU)', the whole fall, rcadily iota po\Vder,
11
i, a proof tbat your maller lI'a, fufficiently lixivialed.
and thal il eontains 00 more fixed fa lt, or fea.falt, ir
you \ViII, thao is requifite. If )'OU fiod on the plate a
drop of fa lt
coa~lIlated.
il /helVs Ihat Ihere is too mucil
left in jt, aod Ihal Ihere is danger of your mifcmyiog io
Iheopcwiuo becaufe the redundaot falt would conode
and
cat
through the retort .
In
thi, cafe your malter
muO be wafhed agaio, aod theo fufficieotly dried."
T he furoace mull be fa confiruéted, Ihat withio a nar.
row compafs il may
~ive
a
heat at leaO,equal to thal of
1
glafs-houfe rurnacc, or rather greattr. efpcei..lly durin"
tite laO fe'eo ur <igltt houlS Of the opemloo.
M.
Hel–
lot. In hlS
M
mojr, gi'es JO exaét Jefcription of fuch
a
furnaee.
.. As cenain aecideDu may happen io the eourfeof Ihe
opemioo, fome pr caulions are tO be takeo againfl them.
For ionaoce, if the
b~lIoo
fhould break whlle Ihe phof–
phUIIIS is diflilling, and lOy ofit fhould
f~1I
00 combun;.
ble boJics. il
"'''u
Id fet themon lire, aod prubably bum
the 1,lhomory. becaufe it
IS
oot tO be diOinguiOlcd \ ith·
out Ihe grcmfl diffieuhy. The furnaee mun therefure
be er«icJ uoder fome nuh. or upoo a berl of briek'work.
Il\iftd uoder fome chlmoey Ihat draw, "tll: ur mull
aoy furoiture or \liCOr,¡ of wood be left orar il
If a
litlle fbnllog phofpholu, fhoulJ fall 00 , m.o', leglor
hanrls,
10
lefs th.o Ihtre minutes It ..ould buro
111
way
to ,he very booe. In fueh
¡
cafe oothing bm urine
11;11
lIup
IU
pwgref,.
.. If the rctQJ't crack while the
pho~
hOlus isdiflilling,
t
1
thm