1000000030

tlh'l\!

r\:nl lins

.1I1V

rUJl~'1

lIui¡il.s.

ti",,,

.lIt' " II

o!!,

with

( '1t~

Iht' Irs L;

lor\dl ',h~

gl.lr~

is Clli''¡,

rcrn" llI~

In a

[,ll't,

11 ... !Ole.:

1l.ltl'.

thc.:rd .lf\!

t,I~l'n

(r4111l

Iht.:

l,o';",I,

~Hhl ..: ¡rr¡\'d

l.)

l'"nh\ 1l

h~ nrh , t.:,,~crl'd

\Vidl

hr.Ir.J~,

wll'ch

:11

(\"lIs C'Xtinl:udh. .:d,

k\{ p, ng

lurn·

ing;

b~Ci;lIr:.:

h.lt

1110(:on I'rcvenls

~nj

I..

lthn~,

and

prderl'e, on '\'t nnef, in the !'"e of the gl. I, . II'here,

élS il

eools,

(mm:s ro in; co,¡fitt\

oc)';

bl';n~

tirU c1cdf·

(1'001

the iron ,od uy

O'ght ib"kc by the

h.nJ

lhe

\\'0 1

kmlo .

If tbe vdlel

e~neeived

in the \

Volknl.tn'

s r!ind, anJ

I':hol" bo,l)' i,

~Ire~dy

made, reql1i, ., a foo t, or a h"n·

cle, or Jny o,her ",emuer or d<e"rallon, he m,kes ,h, ",

porate ; . nd now alr.,ys

join them\Vith the hel p of

I"'t metal, whieh he [.,k« out of the pO's wit h lú iron

,.)d:

hUl

th~

glJls

is not

brc1uS!ht

Irs

o ne

h.lrdncfS,

it has p.lrld the I« r, or anneJling

O\'ell ,

deferiueJ

dure .

/I',,~iM,

¡'¡o:uil/g , o[ windl/ov or

1,'/'/'

~ ~ s .

T ile

rl~thc,,1

of workiog roun" gl.lfs, or vdlcls (¡i any fon ,

is in C\'ery pUlie"!.tr

~pplie.l,k

tO the workiog úf \Vio·

dow or t,hle'gl.lfs, till the

blo'l'in~

iroo

h.ls

been dlpt

the f"unh t:me. Hut theo, inne,,1of iounolng it, the

workm,n hlo'.V"

~lId

fo m.n·ages the metal UpOIl the

iroo

rI H~,

tilA!

it exteools t\Vo IIr tlllee f<et in the form

of a e)'linder. T his eylindcr

put .goi n tOthe !ire,

and blo\Vo a fceond time, and js thtls repe,.!ed till it is

extenJed tO the dimenfioos r. quire", the 'IiJe to \Vhieh

the pipe is fi xed'diminin,ing gradually tiJl it end, in a

pyramlJieal fortn ; fo lh.t,.to b, ing both ends nearl y to

the f. me

di.me:

er, \Vhile the

1~l.t!s

is thu' Oexible, he

. dds>. lu tl,· ht·, Olml to the end oppofite the pipe, and

erall's it out ",jth • p.i r of iroo pinehers, aod imme–

diatdy e!!ts off the f:tme end \Vilh the help of a I,ttle

c!):d w"tcr,

d'l

hefore.

T ile

e~'linder

being noVl

op~n ~t

one enel, is earried

baek

the bocea, ",,1 thete, Gy the hell' of eolJ \Va·

t>;r, it is cut about ciglrt or ten inehes f,<lm lhe iron

pipe or roc; aod lhe wh,lt I('"g' h at another place, by

",hieh alfo it is CUt off from the i,on rod. T iten it

hm~d

gradually on ao eanhen

tJ~le,

by \Vhieh it opeos

in Icng'h, whilc the

wOlk m~n ,

V.·it:l

an iron

rOhl,

al–

teromly 10V/ers ano raifes the til'O h. l<,es cfthe eyllo·

der. II'hieh .. I,If \ViII 0pen I,k,<a OleC t of paper, .oa

f.dl

,nto the f, me

A.tt

f,>rOl in \Vhieh it felres for ufe;

in wh eh It is pr-bved

hearing it over ag.; n, con¡·

in;: it 00 • t.thle of eopper, and hwlen:og it t\Veoly·

four hOl'" in the anne,hng fu rnace, tO\V!tieh il ise,tr·

ried "pon f"r!ts. 111 this furn,ee . n hun :red tables of

gla(s mal' lie ¡u a

m~,

withoul .inj Jf)'

t'?cil

olher,

ftparat:r.g

tI,cm intO ten" with

a ll

!fon n,il'cr

h~·

twcen,

wtuch

~;Ol¡ ni{ht's

die

wcight

di yidlll~

11,

,:nJ

' eer' Ihe "b!es

~oo

cI'en.

T hi, \Vas the metll?d fu rmprly nwk

"f" ,,(

r",

uluw.

ing

pl..lÍe·f:l ..

f~ , IO(Jkin~ ~,I,dris,

ét. ;

hu;

{~Ie

wnlk–

men,

t1.is

mcthr.., !, cf)ulrl ncvt"r

eX"\'I..'t1

¡if;y

indlf

in Icnr.tlt ,

~nd

a prl'rnnil""tl 1lTt'"iI

Ir ,

lll(.,de "It,tt

were Ltrgcr wcrc tl l,

'Ay'}

((IulI.I

\\'.HI'.

\/hich pre–

"Lnttd Ih!:Jn frurn ;lfteélinri the ohj

r·

;;'JI.4r1y.

~nd

"'.nterl fllbll.,nee to Ue",

die

n"CI O ...

J'.li"clin~.

T !tef"

i:n:,"rf,élior.s I

al' ;

been rcmedi '.d

lo)

,tn ,nHntialt vf

L ;\

Ih..:

Si~l1r i\ ~)rJ!""n

T h':\J rt,

il!

1 '¡,. r'I~~' .

;¡"l·t

(dlC' F U

I.b~g,

(,),

c,¡/~lng

I llflHUl,S

L,' .~t,

,id C!.S

11 •

•

~i.,b

111

.h ~

ftl!l(IWI IW m.lnr,er.

c'i""K'

~1:"" flIJI.'JJ:'~

1;.'

I.II

;p · hd:i"'f!

(,LA SS

P!./Id,

Tht!

IllIn,u.:c

[,1! 2.

01 a vr:ry

I.l r~¡,l·

Jlllk'nf;UIl, em'l ·

loncd willl

(1..'\ 1..'1"111

(I1'cn~ ,

01¡lIlnt:,tllI.g

flllll:,Cl:~,

c..

li,>l

e""l".rlles, bdidl's mhers f<lr

fII.tk,

tlg of frit , :tud c.d·

eiolng 01.1 pieees of gl.tls. TI:is furn ."". bclole it is

fi t

ruo gl. Ii , colls

jCO

fddont

1.,11,

aboce

t¡lrce rears, anJ ellen in

that

time

i¡

Illua

he rdittcd

every 'fix mOlll hs. It t., kes fi x months

ref¡uil" it;

"nd three montl" tO,.fit it. Themelting< polS ere as

uig as l.trge hogOreJds. and eontaio auout

: 000

\Veight

metal.

One o( them uudls in the Itl roace, the

¡ofs of tlrc m.nter anJ time amotltllS

10 250 1.

The

h<at of this

(urn.ee

is fo imen!c, lhat a

of i,oo

l. id a' the moullt thereof become,

r.tI

hot in krs tiran

h. lr a minute. T hc materi,ls in lhefe POt, arc the

fame as defcriucd ucfare ; and

is the man breakin"

the (,it for that purpofe. When the furnaee js rel

Ilot, therc

matcri.ls

are put in at three dilruent times,

beeAuf" that htl ps the fulion:

~nd

in l\Venly.four hours

they ue vitritied, refinrd, rcttlcd, antl (,t for ealling.

is the uoeea, or mou th of the ("rn,ee ; K is the ci–

llero that eonveys the liquid

gl.fs

it reeeives out of the

meltio;¡' potS in lhe furnaee

th" ealling table. Th&

eineros are filJed in the fUI nace, and rcmain therein

lix hOllrs afttr they are filled ; and theo are hooked out

by the means of a large iron ehain, euided by a pu l–

ley marked l, and plaeed upon a earriage \Vith lour

uheels marked

by twO mco

P P.

T his earriage

has 00 middle

piee~;

fo that ",hen it has brouglrt the

ciOern

the eaning.u ble M, lhey Oip ofF Ihe botlom

of the cinero, and

,·ut

rUnleS a tOrrent of O.lruiog mat–

ter

op"n the tabl": this malter is eonfi oed

eer.

taio dimeofions by th, iron rulers N, N, N, \Vhieh are

movea~lc,

rctain the O"id matler, aod detcrmine the

width of the

gl.fs

; ",hi le a mao R, \Vith the roller

rdling on lhe ed¡:e of the i, oo r:tlers, rcdueeth jt as it

eools to an

re!,,,

I thie{¡nef's, whieh js done in the fpaee

of a minole. T !tis tJule is fu pponed on a \Vooden

frame, \\ i,h truO les for the ennveoienee of mOl'irg

the

:4nnc,tltn~

f'u rnttce ; ¡otO which, Orewcd

Wllh

fdnd,

the new pl,te is 1I""',,d,

here it \Vi II harden in .uout

tcndays ¡Irter t!ti" the glaís nelJs.onl)' ue grouotl,

polrlhld, .tld f"r.t(·d for ul<.

C,.im/UI¡ and

p,,/i//Ji,.!:

t/{/I:·GL ASS. Cl.tís is made

t"nfparent uv fire, um it receiVls irs lllllrt hy the O,ilJ

and I.,bour of th e grinJcr , nd p"liOter, t!1e former of

\Vhom I.,kcs il

rOIl~h

Ollt of the hJnd, of the m:tker.

In Olll.:r

griod pl:nc

gl.fs,

tlley lay it hllrtlOOlally

"?nn a I:'tt f!o:lc· tablc, (Ii;: 3.) m,d" of a I'c'ry fin,–

gfJined Lec IltI"e; and lúr ilS W¡',ilcr fe..mity they

pl,lI" it d"wlt \Vith "ote, or lIucc,,: lOor o: I.'·I'\I'il" tire

force of

rh~

"0' klllen. or the modolt ,,( thc w"eel

\VIII:

I'/hieh they gllnd it, " oldel ml'l'e it aLom.

T I", I!IIIt< I.lulc 15 I"PP"""" uy

Ilr"ng !'raote

mad\: uf \\(Iod.

\'.'ilh

a b lge

~lIi (c

roun,l

it~

c,,'.I¡.!cs,

ri .

fi ng

~!1CI1lI

tW()

incht~.hil~1

Ih,111 Ihe

J;Lds. Upnnthis

AI..!s 1<1 be I',ollod, l': ldl" "",tI:cr 1<I"I,h glals not

~ov~

I,,!!' lJ

u;~,

JI,d

Je,

Iv"lo ., tv 11..1-. uj'on il;

!'II

u:ull lllld