r 
- 
of Plinies Naturall Hiftorie. 517 
A and meltinthe furnace. Theteis found likewife in the gold mines, a kind of Jead-ore which they 
gall Blutia; for that; the water that they let into thofe mines (as ] faid before) wafheth and carri- 
eth downe withallicertaine little blacke ftones, ftreaked'and marked.a littléwith a kind of whire, 
and asheavie they be in handas the verie ore of gold: and therefore gayhered they bee with the 
_ fameore,and remaine in the paniers togithertherewith : and afterwards in the furnace when the 
fire hath made a feparation between them and the gold, fofooneas they are meleedsdoerefolve 
into the fubftance of the white lead or tinglaffe aforelaid. «.--. »°, oy aistosig crak 
; >Moreover, shis.is ftrange, that, throughout]! Gallecia, you fhall not finda mine of commen 
blacke lead, and yet in Biskay (which confineth hardupon it) there is abundance of it, and-no 
‘orher sneither. out of the veine of thiswhite lead: (hall youtrie,any filver 5 ,whereas,out.of the 
B blacke;it isan ordinarie thing to extrac filver.:Againe, this.is certein,that wo pecces of blacke 
~ Jead,cannot poffibly be fodered togither without this tinglafle; neithercan thisbeunitedtorhe 
other bur by the meanes of oile: nayitis, unpoffible to. conjoynea peece,of tin-foder.or white 
Jead with another, but witha foderot the blacke, This whitelead or tinglaflg hath been of long 
time in,eftimation, even fince the warre of Troy, as witnefleth the Poet Homerswho callethae 
Caffiteron. As for blacke lead, engendredit is two.manner of waies;for citherit erowerh ina 
veiné of the owne without any other mettall with it,or elfe it doth, participat with filverinthe 
_ famemine,and beeing intermingled in.one peece.or lumpe of ore, itis feparated from it atthe 
melsingand fining onely : forthe firft liquor that runneth forth from it in the furnace is tiny and 
_ the fecond filver..As for thethird part of the veine whichremaineth behind in the furnace; itis 
C Galena, thatistofay, the verie mettallit felfe of lead; which beeing once apaine melted and 
tried inshe fire, after two parts thereof bee deducted, yeeldeth that blacke lead whereof wee now 
doctreate, a0! och ots ttre x10 10 91 iIs2 NICE 
ti yoomou: Crap Xvit. : 4 
Of Tin: of Argentine-lead: and other points pertinent 
oe pep Eh od SS “to thefe matters. , : ; poo ttitit OSS 
“Inthathapropeéruferoenhuilewveflels of braffe, partly to take away the evill taft that they 
iB shave and ito make them fweeter; and ‘partly to preferve: them fromruft, orto qualifie the 
D . -cmaliciousnature of:brafle: andyeewoonderfill itisjthat {uch veflels thus tinnedarenever 
a jot the eavierbythat means, Alfo,intimes paftthere were (as I have alreadie {aid) excellent 
mitroirs made of tin, and the fame were tempered and.wrought.at Brundife: butthofe’ of filver 
hayeputthemdownefince, that everie chamber-maid and {uch ike ferving creature, would-be 
at their looking-glaffes of filver. But tin is found much counterfeitin thefedaies, by putting un- 
to white lead abovefaida third part of white braffe: yeaand there is another devife to fophifticat 
tin, to wit, by mixing white and blacke lead one with another by even weight and portion :and 
this maflen fome cail at this day, *filver-lead or argentine. As for that mixed matter wherein be * 3, Pewrer,as 
two partsof blackeleadandone of the white, they call it‘Tertiarium : this kind:ofitia is fold af fome take ic, 
ter *thirtie the pound, and it is that wherewith they ufed to foder conduit pipes: but the leau- * rhis place 
-E der difpoted pewterers have acaftroput untothis tin:called Tertiarium, an equal! quantitie of femeth robe 
white lead, andthen they call it Argentariums which mertall they employ in veffels forthe kit °'""P* 
chin to feeth meat or what they lift inthem: andthiskind of pewter wanteth no price, for they 
fet itatamhundrtdand thirtic the pound, whereas-a pound of whitel¢adortingtsfle pure and 
Aine ofiefelfe,is foldforthirtie, andthe blacke for fixteenes As touching the semperature and 
matutedf che white lead; irftandeth moreupon adriefubftance; contrariwifesthbnof blacke, is 
wholly moiftandliquid:which is the reafon that the-faid white lead or tinglatte will ferve tone 
iufe orspurpofe unleffe:it: bed mixed with fomeorher mettall : neicheris in goddro lead or foder 
Gilver swith for fooner willfilver melt:inthe fire, thandt.) There isa devile:totin'pors,paris, and 
_ -Otherpeccesof braffe foartificially: with white léadior-tinglafie; (aii invention which:came out 
sF of Braunce) thathardly'aman fhall.difcerne them from veflell of filver :and fuch;:leaded veffels 
arecommonly called Incoftilia, Afterthe fame manner, they havetakenup of late another cu- 
dtorse;co filver the trappings efpecially.and caparifons of their horfes of fervicésyea and the hat- 
maile of coach-horfes and draught: jades,and namely.in the rowne Alexia: As forthe former in- 
vention; thole of Bourges havethe honour of it. Neither reftedthey{o, but have pele to 
lonvd Yy adorn 
“se fF 5% 
wee as Ae 
e ; 
" 4 
