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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
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eter, Bulk For Bulk; by onty diridins che grearer ) Emall Bodies, that cannor convenienele be Fastenec
by che lesser 5 For then che Ouoriene will inew che
Spccitiek Craviry oE ihe Hearier Body, compared
rich as mach WVacei 25 is equal. roic in BuIK. A5
iE the Ouoriene be 2, 3, 6, Or 29; che Body, Wvil
accordinsly becwice, chrice, 6, Or 19rimes a5 hea
vy as Common W ater.
The Application ot Which Rule, and che grea
Adrantages Wwhich max be made ot chese ot it
Tou will find in che Followins problems or Experi
MICHES.
I. Lo find the Specifick a
es such Bodies
vill sink in Water, and not be dissolved
Etavins readx a Pair oE po0d small Scales rotiet
evill curn wich che J OF a Crain, (OF = ParE may de
vell enough) drilla (mall HIole inthe Midale ot onc
Scale, chro etrich pur a FTorse- HaIE aBOUE a FOOE
in lensth wich a Hnoc at cheapper end oF ic, ane
a Loop ac che ocher, pur 25 mach HTorle hair in
the opposire Scale, as ill serre ro Rquiponderate
the orher, and tavins vell adjusted jour Scales.
Wcigh sirst che Body in che dir caretully; tum
the Weiphe into Grains, (twill be best rouse Troy
Weiph) and Wrire che Number down in 2 Piece ob
Paper. Then Fasten the Body co che Horlchair.
and leaturels immerse ir inro a Vessel oF Rain; Or
Spring WVacer, and purting WeighES into the OppO.
site Scale, sind its Weiphu exactly in ihe WVater,
(Where ic must Evim about treelr, and noc couch
the Bonom ox Sides oF the Vesset) Turnallochis
Weiphe inco Grains, and suberact ir From the For-
mer Weisl in Air, and nore che remainder; by
Which remainder diride che tirst Found Weishe in
Air; and che Ouorient will be the Proportion that
ehre Body Dears r0 Wacer; That is, Wwill Mew chc
Spccitiek Cravirs in respect ot Warer, Which
Ditched on 25 a Standard eo compare ic by.
Fxample.
Crains, and in Walet 138 CTalIS; Wen suorta
Ated trom cheformer Weiphe lete A3L Grains; b3
erhrich Remainder dividins che Icislu in Ai,
r169, the Ouorient was 2, 35, Which isthe Speci
tick Crariey oF Marble, in respect oF asmuch W a
eer as is equal to it in BuIk.
bIc.
wirh one Flair only; be lute alWass le sipo
rour Scales, betore you beginto Welsl.
I. Since common siche, Marble, and Rock
Crrstal, (90. (Scc the lable ot Specificte Cravity
ate tO WVatei, but 25 2 = (Or 5 102;) il rou tind
a piece oF Arons Matrer, Wrhose Specifick Cravity
excceds chat Proporrion, rou mar conclude, That
ic hach in ic Comethins of a Mineral, or Meralline
Nature, in proportion co is excels abore rHe
Weishr ot common Stone
2. By chis Method also, a BodY mas be exam
ned, Whecher ic be oF a Scony NatuFC, OF HOL. SC
Corat and Pearls, Will be discorered to approach
rather ro a Sconr, chan to a common Vegerable
Or Animal Nacure; and Bezoar, and the Stones
Found in che Bladders ot Men, and ortier Animals.
Will by cheir srear lixtunels shew chemsclres of 
very ditterene Consciturion trom ordinary Stones.
3. BY this Mechod, von mas makie an Fistimate
of the Goodness oF sererat Stones, or Bodies ot
che same Kind, or Denomination: For havine
Found the Crariey ot such as are Fxcellent, alt 0
Thers oF lesser G0odnels, may casily be distinoui
Med, as ther are any was diverse trom rhat Scan
dard.
4. Sleao an euine Scones,  ulet aIs, May
be easils distinsuithed trom talle ones; and cour
certeir Moner readily knountrom Scerlins, tho ne-
ver (o well athed orer, orsilded; for havins by
Siones, Cems, Ox Corries, 25 are Trne and Cenu-
ine, let thac beche Standard whereby ro estimate o-
andmar assist rhe Phycirian, Apochecars, or Drus
sist in che Druss, the seveller in Gems, and Pre
cious Siones, ana che AHrican Merchan, in chie
Choice ot rhe Sand or Dust Cold, hieh is oftere
Connrextet.
Lhe ses os this LxPeriment.
rour own Terals, or by chehelp oFluch a Pable asis
here annexed, sorten che Speciticke Cravier ot such
chers by; which lact ulc, is oFuniversal Adrancase
Flad che Curious Dampier Hnoun this Methocs
he mighe perhaps lare rrucked and gorren lome ot
DampierS Travails, Fdit. 2. Chap. 2. P. 427.)
che Inalan sello Rinos d ie Basiscssana. (od.
erhich ic appears he had nO GrCaE CHCOUTAGEeNETO
do, nor beins able exactis r0 distinguis Whecher
cher vere Cold ornot.
II. To meist Mercury, or Such Beavy Fluids ebat
nill sint into, and not minele mith Water; as
also the Fragments of, or Small Precious Stones,
Pearls, XC. and al Ponders that are heaviet
than Water, Sinall Sands, Filines os Metals.
Cola Grains, or Dust, and such like (mall
thines about which a Forse hair eannot be fast-
A Piece oF whire Marble veighed in AIr 116G
N. B. IF ron practicethis much, till be best
eo hans rour Scales upera bbel, et on oet
Rest, Where ches may trans Freely; and s0 vou
Wvill haveboch rour Llands ac liberer for morenice
Iy adjustins che Ballance, and vour Arm will not
be eary wich holdins che Scale; and be lure chac
itie Scales play freelr, and are no was rangled,
and thiac y0a donor ver rour Wcipties, nor Scales;
For a licele carelelnels may produce greac Prrors it
Such cases: Ler also che Body hans a wvhile in che
rater betore sou loete le, and more ic up and
ned.
Toproride 2 small Gla(o Far, or a lirtle Silver Or
don, and se knock ic afamt che Sides ot itic
Vessel, to extricate ic From all Bubbles oF Air, thac wich two Tlandles or Fars ro ic, and thar Mallhola
elle Rickins Wir, mar buoy it upa liccle, and con-
lequeny adee rouro mistake irs Weishr. ou
abour an Ounce and a FlalF, Or LWO OunceS Ot
traler ane ettu de Caletcus in the Rir trst,
Thould allo hare a mall Pair of PIvers, Or Pongs, note exactly irs Weis, CMCH Las bs 
eb take up four Crains Wvichal, lest vou lec them
Twill De conrenient also ro mate 2 lirtle De
ready Place) then allo find che Clalss Weighe in
BraIs Cup (buc Class is best when ic can be had)
Wacer, and lay che Weighes caretully By, BY
chemsetres; and il fou C W MTAKC HCGHCHL
usc ot this Practice, twill bC BCFEEF EO BCF ENO
pieces oF Lead, one oF che weistr oF che Cla(S ir
FaII; irticti wich vour Fingers rou may be aprio
d0, and so occation jour selE a necdlels crou
ae tloilehrait 1oC tmalt Mactieo) lo Holetout, et slac a. le bltet dt reo Maise