Table of Contents Table of Contents
Previous Page  730 / 1042 Next Page
Information
Show Menu
Previous Page 730 / 1042 Next Page
Page Background

G L A

~ L ,\S ~

(),'

0 1

0 ;11.1' ''>'.

SCé

C He Ml ! TP Y,

p

8;.

GL .'\ STONtI UR

Y,

a market lOlVn uf

SOllllrfeln.ir~

,

live miles fOll.h of Wd ls.

GLATZ, the capilal

oi'

a cOllnly of

Ih~

f. me nam, in

Rohemia, 100 mil:s call ul Pr.lgue : E. long. 16" 8',

N. 1.1t

50· 25'.

GLAUBER's SAL T. See CHEM ISTRV, p. 12 7.

GLAUC10N, io ornilho!ogy. See AWAs.

G LAUC1UM, in bolany. See CHEL ID OW ' U'1.

GLAUCOMA, io medicine, Ihe

ch~lIge

of

Ihe c,),{\al-

line homoor of Ihe eye ioto ln n ore-culour. See ME–

DIC IWE.

GLAUCUS, io ichlhyology.

Se~ Sctu AL u s .

GLAUX, io bOl<ny, a genus of Ihe pemandria mono·

gynia clafs. T he calix confills of one leaf; it h.s no

corolla; Ihe c. pfu le itas one eell, 5

v~lvcs, ~od

5

feed!. T here is but one fpecies,

viz.

the marilima,

fea-milk",o" , or glafs, worl, a notive of Hritain

GLAZIER , an anilicer \Vho "'orks in gl. fs. S.. C L.'

S1 .

The principal pan of a slnier's bufioefs confiUs '"

fitting panes and plates of glafs 10 Ihe fa/hes and win–

dow-frames of houfes, piéturcs,

&c.

and in c1eaoing

Ihe fame.

GLAZINC, Ihe poliflling or crulling over eanheD ware,

by

reRDing melted lead or litharge ol'l!r il.

T h: common IVare is glned wilh a· compofilion of

501\). cleanf,od, 70 lb. lead a/hes, 30 lb. wood a/hes,

. nd

12

lb. falt, al! Dlehed into a éake

Wilh Ihis

mixlure Ihey gldZe it over, and tI'eo fet if in an eanh·

en glaziog pao; taking eRre Ihat the vefl'els do not

,ouch one aDolher. As feveral eoloun are trfed for

Ibis purpofe, we /hall give Ihe following reeeipts,

from Smith's laboratory.

l .

For a blaek, take le,d ·

a/hes, 18 partS ; iron·6Iing!. 3; eopper.athe" 3; and

zaffer, 2: Ihis, whenmelred,

\ViII

make a brown black¡

and if you \Vould have ir blacker, put fome more zaffer

tOil.

2 .

For blue, take lead·afhes, l ib. clear fa nd

.or pebble, 2 1b. falt, 2 lb. white calcined ta nar, lib.

Venice or other glafs, 161b. and

z~ffer,

half a pound:

mix them \\'el1 logelher ¡ and afler melring, quench

lhem in water, and rhen mtl e them again; which ope–

m io, js ro be repeared feveral times¡ and if you

,,'ould haye it

fi~e

and good, i,.

\Vill.be

proper lOput the

ollxlure ioto a glafs fu rnace for a dly or

t\VO.

3. A

brown glaziog may be given wilh a mixlure of lead–

glafs,

12

pam, and COOlillon glafs and manganefe, of

eac_h ooe pan. 4. A citron·yellow may be made of

6 par!! of reo-Iead, 7 parts o( fine red briek·dul!, and

2 paTl! of antimony, .11 mehcd together. 5. A fie/h–

(olour, with 12 p'rts of lead-a/hes, and one of whne

glafs. 6 For a green-colour, take 8 partl of litharge,

8 partS of Venice·glafs, 4 paTlS nf brafs·dnll, and meh

Ihem togelher for ufe; or melt tOI:ether

two

pans

yellow

r.1.fs,

wilh as much copper-dul!. 7. For a

~old.yellow.

take of antimony, red lead, and fand, an

(qual quantity, and melt them inro • cake. 8. For a

line purple brown, take lead-alhes, 15 partS ; cle...

f,nd, 18; manganefe, I ¡ while r,lafs, 15 oteafures;

and I of zaffer. 9. For a fine red, lake aOlimony,

21b. luhMge, 3 lb. rufl of iroo calcineo, lib. and

¡;,iDd Ih' lll tO a fine po'.Vder. 10. fer

J

fioe white

G L O

gl'1.iog, ta1:c 71b. of

b .1.

l ib. of tino aOlI

ca l~ir.e

thclO

11.

a!h:s ; of whlch e .•ke , pans; of c.ICIOcd

Rl\lr

or pebole, I pall; of

(;,11,

I p"'; and m'x'nn thcm

\Vd l togrther, melt them into

a

cake. Ae!loll;rO'nt,

rhey m.k. a line /hining whne gl.lZing. by mc1tiog ro–

~elh"

2

I~.

cle.o ¡in.afhes , 10 lb lead alh", 2 lb.

fine

Veniee.gl.Cs,

and

~

lb. tmar. II Ayellowgl._

zing is made of

4

OUOClS of red Icad, and

2

ouncc! of

anumany, melttO tngether 12. For • fine )'e1low,

"ke rtOlead, 3 pints ; anlimonyand ein, of each lib.

theo melting thcln intn a cake, grind il fi ne ; and re–

reating Ih,s fe ' m¡[ tintes, yoo will have

a

gaod

)'e1-

Inw.

CLEBE, among miners, fignines a pieceof emh, where–

in is contained fome Inlneral o'e.

GL F8E, in I.w, the land belonging to a parilh-ehurch,

bcfides lhe eilhes.

GLECHOMA, io

bot.ny,

a genos bdonging 10 the di –

dyn. mia gymnofpe,mia claCs. The e.lix confills of

I·.e fegmenls; and eaeh pail of .nthera< are difpofed

in Ihe form of a crof. . The,e are three (pecies, tlVO

of which are natives of EriJain,

viz

rhe hecteracea, or

~roond-íy)';

anJ the " .enfi!, or uprighl grouod·i,y.

T he leavesof lhe hederace. are corroLoram, apericol,

~nd

detergent.

CLEDITSI.'\, i" botany,a geous of the polygamiadillcia

dafs. T he c. lixof Ihe

tiermap~,rodite

has fou r fegm/nlS;

rhe

~oroll.

fou rpmls¡ Ihere are

fi K

Il.mina, and one pi–

nillum. The c. lix of the male conGlls of Ihree Imes,

.nd the corolla of Ihree pmls ; and it has Gx lIa–

mioa. The calix of the fem. le coófirts of fi.. lems,

and the corolla of five petals ¡ it has bul one pinillum ¡

nnd the "'pfule is a legllmen. There lre two fpecíes,

none nf Ihem naeives of Bri13in.

CLEET , in medicine, the nux of a thin limpid hu–

mnur from rhe IIrethra. See MEDIC IWE .

CLlRES, the name of Lionreos's ourth order of mam-

;...Iía

See NAT URAL HISTORY .

CLEN01DES, the n'OIe of two eavities, or fmall de–

preflioAl, in the inferior pan of Ihe 6rll

vene~J'a

of

Ihe

n~ck.

CLIS, in zoology. See SClURU!.

GLISCHROM ICTHES, io natural hillory, the name

by which Dr Hill calls the tougher and moee

VI~

Id

loams.

GLlST ER, in furgeey. C'LVS TEi.

CLOHE, in pratlicd OI"hematiCi, an anifici,l fpherieal

body, on Ihe convex furfJce of which are "'prrfentrd

Ihe countries, feas,

&c.

of our earth; or Ihe f,ce of

the heaven!, Ihe cirdes of the fphere,

6c.

See GEO –

GR.APHY .

GLOBULARIA, in boeany, a genus of the

retrand,i~

OIonogynia clafs. T he eommon calix is imbricatrd;

and the proper calix is tubular .Qd bd"w Ihe f,ult ;

Ihe upper I.biumof the eorollulre is divided into ewo

p.rt!

, and Ihe under one into th,ee; ann Ihe recer–

t¡ e1e is p,leacenus. T here are fn'cn fp<eic!, nune

of Ihem nati,es of Britaln.

GLOBULE. a Jiminutl'e of

~lobe.

frcquent11' IIfed bY.

phyr.eiaos in (p<aku'g o( tbe Ied fphericol pJrllcks (11

tbe Llood.

GLOC'ESTER,