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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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P.
che Celeriry, torrhe Space x Or AC, and in chis). CENTADRE, a Souhern Constellation, con-
Curre v is 25 x3. The constant Line a beins the sictins ot 40 STarE.
Paramerer, and (0 =V a x, substicucine chis in
CENTESM, i5 etie hundredph parr ot any
che room or u in che geheral Equation, we have chins, and is commonly mencioned in our ner
 Y: - 3 X. From hence ic tollons, char che
Oecimal Diritions ot Degrees, Feet, _c.
CENTRAL RVLF, is a Rule found out and
Curre oE (vitrest delcene, viz. AMB is che vul- establistied by Our FaOUS ME. Tho. Bater, latC
zar Cycloid, che Diamerer ot wrhole generarins Rector ot Nimpron in Com. Devon. Whereby he
Cirele CLK is a, and whole Base is AC and finds cho Cenrer ol a Circle deliened ro cur che
Verrex K, CK beine perpendicular 10 AC. Parabola in as mans Poins as an liguarion to be
Lro chinss lec chis in che c’earest lighr: 1. P0 constructed, hach real Roors. Ilou by this meane
prove char C M is = are GT -L O, and 2. From he construets all Lquarions a5 lar as Biquadra-
Thence chat MC L IS = = aro LR; Which is che
Hnoun properry oi che Cycloid. THaEC M = are
GL CO, is cerrain, in thac che Fluxions oF chem
are perpervally equal in aIl Points oF che Curve.
I et L Os, and che are L C =., and irs Fluxion
Ep 6; chen since su a X xx, we have s
aX 2 X 
2 aX
: a82in c.
therefore C5
2a X X X Z a X - X X
V. q. -. x X X = y, er8O C- s=  and c- 5= -7, thav
is, CM = = arch GL. LO. NOW it CM--CF
Co, then MO wtrich is - CO CM is. CO
GL. F LO; buE CO== E cirele OL R-OL +
E K Theretore M O which is =CO- 6L F LO
15 = GL + L K 6L + FO, that is, MO is=
CXC F ZO, and caking away LO, MI =L R
ticks, vou wil sind under che word Construction
os Equations: And ihie Demonttrarion ot his
Central Rule I gire here by ic setF.
Lhe Rules oCMP. Bater are chese,
1. =  eP + q = b =C D.
2. P 7.
L
Pe. +
6FF
41E  21.F = d = DF.
Or by Conraction, Becaule L = 1. a5 i5 sup.
Posed, ro aroid Fractions.
1. = + Ps F9 = b = C D.
2.  P. + spP P = : Pq L L r = d =. E. D.
Fodiscover the Realon oF nhich Rules
Suppose any Parabola dravn as in che follo.
ins Fisure: Then chis Lemma may be premised.
Thar itse Line KG beins an entire Ordinate, and
currins che Diamerer C Ir consequenely ac Righe
Aneles in che Poine H: Tis plain by MC. Bater S
Properey ot che Parabola, ThaEL. TIR:: (che
Sochac eis clear che Curre is the Cxeloid abore Sunm oF che rvo Ordinares 6O FOFL Or BC)
described. D. F.. 7.)
CFLESTIAL. Globe: Sec Globe
a5: : TTG. che Difference ot chele Ordinares is
t0 FC thie Abseissa. Wheretore che Rectanple
ander L. thC LatuS Re tumM OP Parameter, and
CFL LOLAE Intestini Coli, ehe licele Cavicies oF C Er che Abscissa is equal ro char under R HI and
the Gur Colon, are Where the Fxcrements lodge
Tome vihile, charcher may retrett lome adjacene
BlCR FTC
Suppose chen MP. BaberS Lo ehe Parameter.
Parrs wich cheir Fleac, and dixest and ferment a. or Latus Rectum belonxins 10 chis Parabola p.
ny Crudicies. Blanchard.
CEMENT, is boch chie Name oF a Past vict
wrhich Places of Cold being Ararihed are purifi.
ed; and accordine eo Helmont ane many orhers
is any Ture by wrtich che junction of Veslels in
Distillation are joined, or as we commonty lay
cemented tocetber. And al(o Cement is che lame
CEMENTATIONI, Which is one ot che vays
ot puritrino ot Gold, and a5 some lay, ot Silvee;
and ris chus done, Scraritie in a Crucible chin
Plates oF Crold and Cement, 1. c. che PaCt OF rhaL
Name, Wwhich is made ot one part oF sal Armoni-
ack 2 parIS OF Sal Cemmae, and A PaPES OF POFTCK
Farch or porrder d Brick, and coverine che Cru
cible, make a violene Fire round about ic, ro cal
cine che Marter tor 10 Or r2 Flours, chac che cOr
roding Sales may carry oft che Impurities ot che
Gold. Buc this Purification is by no means (0
Bood as that made wich Antimony (Which sec un
der che Word Purification) For chele Sals do Come-
rimes leave ocher Mecals remainins Wvich eheGold
and besides do olten edr amay che very Gold ic
selS.
CFHCFIRTAS, is a TorE oF spreadinq InAamma
rion, runmins like Wild- hre, called allo Perpes Mi
liaris from the relemblance it bears rothe Sced oF
the sinaII Grain called Millet DE Hyrse Blan-
chard.
Perpes Miltaris.
CFL, IS,  TOIC, CAC lat aS
Phleboromys or Bl00d lexrins.
L et C B=- a
SD=
DF d F 1
CH=Z ehie Hoor louetr, chien will
FC - Z + d and
HIK= 2a + Z
And consequenilys by che Lemma,
loc lsa3. By C H = 2 a 2+ 22.
CENCRIAS, a Spreadins TVIcer, che lame wich
Wheretore