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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.ét

of 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