8ö N A T U R A L HI S T O R Y .. - _
kô Lea(ÿ:ë®li^sé^ ^ b e -'fô u a d ; '\ nor indéèdéôrihdlSrigdhe
various' Bodies'-LeMlïsfound in, is there any -rcafon'tô conclude
thefe ;t-0>be -the -preceding CharaCterifticksr o f th a t
ih th e C h a p te ro f .flmllnoCexpatiateUponthem
iii thisj but to than refer th e Reader.
11 :Xhe M e t a l s in thèfe Countries are L e a d , I r o n y h n à C O ^
p e r ; - th e L M e ta L lis a ff in ia , or B o à \ è ^ b c X M ^ t c M e t d k
arid ^ M i n e r a l s , are A n t im o n y '; B l a c k - L e a d , and L a p
i s C a la m in a r is .- : L e a e d O r è i iî^frequeritly’/ïdurid- feltherdn
Spates, w h ite Sand,G(foineJof w h ich is as>'whïte as. the'iiidft
refin’d Sugars I haveifeeri)/in'the'F'iiTures e ith e r o f -Lime-
ftone or Frtee-ftonej and then it-rub's in. Veinst as lthe‘. Workmen1
call it : Thefe are o f different* fizek, foméMnës the
M in e being a quarter o f a Yard diameter, iandi&eqfame
M m e fomêfimes .not above an Inch, and a little after the
th e Rock d a fp in g together, the:VeinL<mfitety idifàppears,
thro ’ which th e Miners continuing
Vein o f as formerly ; th te kind e & s ö r e • ié- m o lt commonly
found in th e Fifiures ofrfiimè: andFree-ftone; Another
kind o ï L e a d -O r e is found in Luimps,-arid-that in
w h ite Sand, as in th e Lead-Mines near E e fw ic k L iL È ip s Q
arg’fifiiV&rts o f L e a d D r e , v iz. theJ S p m :-O r e ^ \€ p k e -O r e J
T o t t e r s O r e , and W h i t e O r e s , The S p a r L M C o ^ Q r e a r e
about equa l V a lu e , and are fluxed’ w irh ilw h ite rw oM ’in
Furnaces for th a t prirpofe, and they ufually' rumàkou'i,a
fourth or fifth ; T o t t e r s O re : m \ \ no t lo fe abovete feveritii,:
and frequently contains a proportion o f S ilv e r ; the W h i t e
O r e is a natural C e r u fl, and yields à greater quantity o f
M e t a l than any o f th e reft.
I ir o n O r e s there are o f four forts, as Î the R à d d le * O r e ,
G la y -O r e , B l u e O r e , and the B u ttö n -O r e , fo call’d from lit tle
globular Protuberances tha t cover its fupefficies;: The
common way o f fluxing thefe i s b y a large Blaft w ith W ood-
Charcoal ; but I am inform’d th a t la tely by therCakes o f
Pit-Coal thofe Ores may be rrinirito a malleable I r o n ; and
i f
LMMÖM$!HmEf CHë£HlRE;:&c. 8t
if fqkt|h'e;’Profit in diéirörthern;*Earts > wi 11 be extraordri
naEyy.they rhavirig^aftlquaU'titi'esDrQf th^t^éfrand like-
wife © f'l^ fls.p .i^ ilïïo lt certain ’it!ismOtinng,frut the Sn3|-
phirrmf thePi-Qj^hal that Éende||,y4he Ïrïon bntti ej and runs
it !tfo ,ajLeguluss{$ufy whoever ,unde$ftari^a*.lhe< fluxingi.oJ
feldg m.|y&dfily b y L i x ik t e i^
^tewAtronnii^geithat Point. In-.thèlrunrii^è^aw» ©foaM
p e ta ls ariparticular^care ought to: ’bctealten.:óf rlMor kmen,
a other wife jthey.. will tóö»mf|,èn ,■ ' finfejif
inton Lithorhage, dr run it down withthse Ginmte/Hy which
ïhèans ^héy^have an oppqrtunit^van.pifi|ie to] oorivest^fictb
thqig ownri^fe>-airid fo-to} dHfmuIf
th is d^ifa^ahtaget isiprevenaed,, th o ’i t h ^ e s a t o ^ f t ^ ^ i f t i l
proifeCt from th e .M ih e svh i L a n c a /B jn e , th é ^ w d lin p ^ i-
anfwer expectation |xfor I mhave . f tnxeEl taf cafafr eafor r
o f Oireftofa fourth .qfmalleable Metafhl'tklisljèa^.tii-e F ll f e r
has knfyffun* it^paiohe aYlfódjItofaj^wehtifth’jViKarJ^tiM
heiaeoount for any k lo te to thèlPropariafetfaf.
redmddro thètfdlicrmng 'Cï^lfesi êéfei
Thé-iAzure, thé Green, The;Goldon,raa^ thCGiiMï^usli öjf
Afli-colour’d ; and thefoire ifound ifimpi^tóttheïrifejwn4
and fometim^imixed w ith Lon^, Lehd ahdrAnïirtyènpp:©f
which 'Iibaspa variouslSpecimens, JbutVvehien thélOxeswefo
compounded '.they!5 never: turn to* Apsabnti jiThcb Azurè
mighfófor-ought Ü 'know anfwert all the i Intent^ &hWlira\
MuriWe^iwad in fipEiughwill not lo fe& ^ fè a'twfenJI&fcH.
Part; but of this the quantity. 3$ fo final], that n^Jgreait^d-
vantage can be expected from it. ‘-Th^Cjfötëlén Oreribdo ca3fd
frond' the T y r i t e s A u r e u s mixed with4t7ywfiichg|fe3 it that
Colour: Of thefo there are quantitiesiuifibient, I dq?think,
,to fupply all E u r o p e , and were the Minés, rightly mankgidj
iyefhoUld not havei;any.^eceffity?du;t^iniphriföf)rirrf.É(^»jè?B!
from S w e d e n , which would be: of vaft Advantage to. the
Kingdom; buteifher the IgnophrCeoi Fraud, o f the Smell
tersjis iuch, that, the Product is in .a. manndrYddftmyidr
The Method of r igh tly running this Mgtal is, by reducing
; . y ' ! \ ' ’ '■ t fie