1000000030

L A

GLAl\DEl\S.

See

FARR IER\' , p.

557·

CLANS.

an:nolll)'.

St:e

l\ NATOMV,

~i~·,

GLc\ I( I

die eapll.•

of one

,¡"

clntons

(,1

IVllur-

¡Jnd. of

lht' CHllt:> n.Hlle,

the

inhabi¡;Hm

uf whlch :.rc

both pnHClldllt

",,1

popilh: it is lituateJ th"' y·I:I·e

nllles fouth'é,a

,,1'

Zunch , in E.long.

9°,

.od N. I.t.

47"·

GL!\SGOW, a IArge eily of SeotlanJ, In the O,,,e of

Laocrklhire, or Cl

y.ld ;I.le.

¡ituated on the riw ' ClyJe,

Iwenty ollks oonh-wcll of Laotl k, aoJ fony ollles

",ea

of Edinbllrgh, io

4° S', W.

loog. and

55" 5',

N.lat.

This is ooe of Ihe moa elegaot IO\\'OS in Seotlaod.

has 'o uoiverfity, aod a good foreigo trade.

.GLASS, a traorparcnl, brinle, fa/liliou, body, prodll –

eed by theacqioo of lire upoo a C:xl falt alld Caod, or

aooe, th.1t readily me/ts.

The eheruitls hold, Ihat there is

body bOl may

vitrified , or eoovemd iotO glars; beiog the latl

d–

fea

01'

hre, as all its foree is oot able 10 catry the

change of aoy oatural body beyood its vitrilication.

When or by whom the

art

of makiog glafs was r,dl

fouod out is uocertaio: fome will h",e il iovemed be–

fore the /lood; bot ",ithoot aoy proor.

N~ri

tram

Ihe ao.iquity cf this

:rt "'

far

ll.ck

1.'

the time nf Job:

bot Dr Merre¡ will have it as aoeient as either pOt–

lery, or the makiog of bricks: becauCe that a kilo of

bricks eao fcarce be borot, or a balch of ponery be

made, bot fome of Ihe brieks and Ihe ware will be al

lean

roperlieially IUroed to glaC, ; fo tha! it mull have

beeo koolVo at the buildiog of Babel, aod as loog be–

fore as the makiog of bricks was ufed.

011111

have

beeo koowo,eollfequeotly, amoog the Egyptians, wheo

the Ifraelites IVere er.1ployed by them io m.lking bricks.

Of this kind, no doubl, was that folli l gl:!fsmenlioned

by Ferrant. Imperat. to be found under-grouod io

place~

where g,e'l hres had beeo. The Egypliaos

iodeed

~Qan,

thal this art IVas t,ught them by the

great H,·rmes. Ariflophanes, Arillode, Alexaoder

¡\p~rodiC:r:u"

Lucretiu" and Joho Ihe di ..ioe, pUl us

~UI

of all dnubt thal glafs was io ufe io Ihei, da)'s.

Pliny rdates, Ihat it IVa! hra difcol'ered accident–

ally

Sy,i.,

at the momh of the ri ver Helus, by

.eemi nmerch,nts driven thither by a florm al fea, who,

heing

obli~ed

10 COntiUlle there, aod drers Iheir vico

als, by m,king a lire 00 the grouod, II'here Ihere IVas

great plenty of Ihe herb kali; Iha! plant burning to

aOles, its {', lIS

O1i~ed

and iocorporated IVith faod, or

lIooes (,t In "itrify, aod produced

gl.fs:

dial Ihis ae–

cidenl

brio~

kno" o, the people of

~iJoo,

io that neigh.

bOllrhond, alf.tyrd Ihe work, i",proved the hiol , and

brollghl it into ufe ; aod thal this

art

has beco impro.

\,j n~

t\'cr fince.

Veniee, for many years, excelled a1l Europe in the

fineoe(, of ils

~IaO'es;

bm of late the Freoch and Eng–

liOI hal'e excdlt-d io Ihe Veneti, n"

drat we are no

loogcr fnppli,,1 wlth d,is eOllllllodity from abroa,!.

Natll'" .,Id

,j.."dlm

CLASS. Natural,lls are di–

vide.! io wh" claf,

01'

I·odies 10 rank glafs : f01l1e OId–

king

a (

ur.oc

jtllCC ;

otilas a none ; OIhcrs

a~;Hn

r"nk il amor.;: fcmi' llIetals; bU! Dr 1I1errl'I obler'l'es,

Ihat thtf, "re al l OHllr:.! prodilllions ,

wbrr~'9 ~I,fs

f.\I'lnioIlS

('otllpm:nd, produrcd

Jil e,

antl nt\'U 1011011

in die ..a"h, 1'01 "nly Ihe Lnd aod lIono ,¡"t 101m il:

lh,¡ 1 Illt'[,ds ,m:

filrlllcJ

nalllle int o cert:lin fpccies;

aod tl>.1I ¡ire unly ploduces IhcllI, by ils I"uhy

re.

p ...

r.tllOj.!

hl·ltlllgt'IWOU~.

and

ulllfing

homogtnt;OU~

bo–

oles: \Vhercas

prodllces

gl.lf.

., by unitiog heteroge–

OC(¡IIS o,,"er. t·i?. lall , nd

I.nd,

of bOlh which il e–

vlJcntl ywnlills;

100

lb IVeight of faod yicldlllg above

150

gl.k

The 1:lOle !earned do/lor gives os a precife .od

at–

cUlate el.umeraliuo of Ihe Icvrr:d charallers, Or pro–

pl'llilS

01'

gldfs , whereby it IS dillinguilhed from all

Ot\'cr budil's,

vtZ

t. Th>l il is an artifici,1concrete of

f.h and [Ind , IIr

aone~.

Fulible by (lrong fi,e. J.

WhéO t'"Ced , lco"ious aOiI eoherenl.

does not

walll' oor coofume in the hle.

WilCn melled, il

clw es 10 i".n.

When il is red hOl, il is du/lile,

and may

falhioned into aoy rorm ; bUI nOI

01,11,·

ablc ; and " pahle of being blolVo into a hollowneli,

whieh no 01'01',,1 i,.

Fran/:ible ..hen Ihin, with·

out aoncal'ng.

Fri,ble, when cold.

Diaph.–

nous, whed,,:r hOI or cold.

Flexible and elaltic.

Ji .

DiOoluble by eold aOiI moillllre.

12.

Only capl–

ble of LClog graveo or eUI with, diamond, or other

hard /tone aod elllery . IJ. Receives any dye or colollr

bod, exterll,lIy aOiI internally. 14. Not dilfoluble by

'qua fonis, "lua regi" or mercury.

15 .

Neither

a·

eid jnices nor any olher maller extraél eilher colour,

talle, or aoy olher qualily from it.

16.

Admils of

poliO,ing.

17.

Neither lofes ..eighl nor fubaance

the lor,gel! and

01011

frequent ufe.

18.

Gil'es fufion

10 olher

mélal~,

aod Cofleos Ihtm. t9. The moll pli.

able thior. io Ihe world, and Ihat whieh bea retaios

the falhion giveo it.

20.

NOI capable of being ,,1-

cioed.

21.

Ao open glafs beiog filled with waler io

lhe fUI11Oler'lime, \Vi II gather drors of water on Ihe

outfi.!e, jnll fo lar os the water on the infide reaches;

aod a pC¡\(ln's hreath blolVo I'n it lVill manifellly 0101'

lIeo it.

22.

Litde glafs halls hlled with waler, Olel'

enry, and othcr lilluor, .0.1 IhrulI'n into

Ih~

fire, "

allo lirups of green glafs briog bruken, will By afundér

IVid, a great oOlfe.

23 .

Neili,er wine, beer, nor any

OIher Ilquor, will make il mully. or change ils colour,

or rnll it.

2.}.

o"y he crmenlid, as aones and

mt–

tals .

25.

.!rinking glafs, partly tilled with Waler,

and rubbed on the brilll \Vilh a \l'et

r,n~er,

yields

mu'

fi cal notes, higher or IOIVer as Ihe gl,fs is mure or Id.

11 ,

.od will m. ke Ihe liqunr frill, and !elp.

}

IJ.lt"

i.,{¡

TIIdill.~

Gt.ASS .

mmri.ls

\Vhere–

of glals is m"de, we have alr".Iy mentiooed lO be

hit

and fand, or lIones. The fah hcre uled, is rroCllled

from a Con of .OléS,

broll~h,

flOm thé Lel'ant. ,,11,,1

polverloe or roeh!'lta' "llIch aO,cs are ¡/",fc of

1!lII

of lValCr:planl, callcd 'kali, [UI down in fillllmcr. dri,,1

in the

(IIn,

~nd

hurnt in

h('.II'~.

('ithel on the gnmr.d,

(lf

un Hon gratl's

lhe

allll~s

falllllg

inw

pit,

glow

111·

to a /¡ard 01.11" 01' 110ne, lit 1m

lile.

1'0 extra!l the 1'.,11, Ih,k "O,,·s, '" polreriné,

~Ie

pow...it:rt:J

~'Iltl

(¡(u·d. thcn I"I! ¡tllO hllllulg

\\',ilt"r. .

Jnll

Ih", kcpt till one t/¡i"J uf the

11'''''

be CUII:un",¡: the

"L"le