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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0015
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F
C
Under such N ords as Parabola, Fllipsis, Fyperbla; allo in che Conicke
Sections vou ill find che Properries os cach Figure or Section demonstra-
red, wich Methods tor cheir Delcriprion on a Plain; as allo che PrOPer-
eies ot the Cycloid, Conchoid, Locarichmick. Line, Ciffoid, Ouadratrix and
Spiral Lines, ecc. Some general Considerations ol the Nature ot Asimpro-
tes, che Nature and Propercies of Catacaustick and Diacaustick Figures, Os che
Involute ard P. volute ot che Linea Celerrimi Descensus, Scc. And under the
Woro Construction, rou have che Construction ot Cubick and Biquadratick
Equations by che Parabola; cogecher wich che Inveltigacion ol BaterS Cen-
eral Pule, aud ies Ulc and Applicarion.
Under Luch general Words as Trironometry, Surveging. Spherical.
Geonetry, Projection, _c. You will Cind Encire Treatiles on chele
Heacs; and which, it l mistake noc, are as Thore and plain, 25 any
VeE exTaNE.
In aleebra vou will mece under the proper Flcads, erery chins chac
is ulually sound in Treariles ot this Nacure, and perhaps lomethins more.
And under Fluxions ron hare a succinst Acconne ot the Nature and Algo
rithm of chem, and Come Improvemenes which are noc to be had elle.
ihere. And in lereral Places, under the proper H’ords, rouhave an
Acconne oF irhat e nom callche Nem Methods, or Universal mays of Inve-
Risation; as pareicularY, a Wethod ol draing oF Tangents to eII Ports oF
Curves, 2 Mechod de Maximis es Minimis, oF findine che Centres of Cravity
and Oscillation; ot finding che Unciae, _cc. AII che Pares also ol Common
drithmetickare explained here, and ies Application to Anatocism. Compound
Interest and Annuiries; coxecher wich che Doctrine ot Surds, the Mechod
OE Extraction oF ROOES by Convergine Series, and che entire Doctrine ol
Proportion, all kinds of Progrestion, Fractions, Logarichms and. Deci-
mals: Ano lhare allo trom the best Authors L. con d ger, collected an
AccounE O the Ancient Weiphes and Measures oF aII Pacions, and ad.
justed chem with our oun; and hare siren rou very large and uletul
Tables ot the Values of all Modern or prelene Foreion Weighes, Mea
Tures and Coins compared vith our own. Ihave inserred alto trom
Or. Wallis, a larse ACconne oF Sexaresimal Fractions. You will Fnd here
aloche Descriptions and Ules of borh the Celestial and Terrectial Globe,
the Doctrine ofthe Sphere, accordine tothe _em and OId LIypothelis;
cogecher rich rhe Demonstration and Practice ol Spherick Projections in
Plano; andmost ot che uletul chings in astronomy; as che Phaenomena, Pao
ralaxes, Magnitudes, Mocions and Distances ot ehe Planets and cheir Patellites;
and in parcicular, che Incomparable MI. Isaac Pemton STheoryof the Moon;
and3 very larse Acconne oF Comets tromthe lame Ruchor: Tou will trave
allothe Cirouna and Practice ot Dialline, ehe Dature and Use oF Opricks;
che cakime all Fseishis and Distances; che Vensuration ol Surfaces; Craug-
ing; he Arc ot Chromelosy, Geography, Cosmograpby, Musiek, c.
Lele LL