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# Title: [Christiani Hugenii Zulichemii, Const. F. Horologium Oscillatorium. Sive De Motu Pendulorum Ad Horologia Aptato Demonstrationes Geometricae] Christiani Hvgenii Zvlichemii, Const. F. Horologivm Oscillatorivm. Sive De Motv Pendvlorvm Ad Horologia Aptato Demonstrationes Geometricæ (shelfmarks Leibn. Marg. 70; ZEN Leibn. Marg. 70)
# Folio 2, page id 799199311:0020
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TIVGENII
horolorijs adhiduus, calu constans certulque eorum motus
Fectum jam lic e Astron susis e arri Nauricae plurimum
in ijs elle praliurs. ud u  linea quam detixus in circum
Ferencia currentisrorx clarus, continua circumrolutione, in aëre
delignar; a Ccomerris nostri xri creloidis nomine donata, et
ob alias mulcas lui proprietates diligenter expenla; a nobis vero
proprer eam quam diximus menturandi cemporis facultarem,
quamnihileale suspicantes, ac tantum arris veltisiis insistences,
inesse ipsi comperimus. Hlanc cum jam pridem amicis horum
intellisentibus nocam fecerimus (nam non multo polt primam
horolosii editionem animadverla tuir) nunc eandem, demon-
stratione quam poruimus accuraristima firmatam, omnibus lc-
sendam proponimus. Itaque in hac cradenda demonstratione
Porissima pars hujus libri versabitur. Vbi primum necesse fuie
noris nonnullis demonstrationibus labilire d promovere ulte-
rius viri maximi Galilei de descentu orarium doctrinam, cujus
tructus deliderarislimus, at que apexveluri lummus, haec ipla quam
invenimus crcloidis eAt proprictas.
Dux porro ut ad pendulorum usum aptari posset, nova cur-
varum lincarum contideratio adhibenda tuic, carum lcilicet qua
lui erolurione alias curras generant. Vnde comparatio inter le
lonoicudinis currarum cum rectis nalcitur, quam ulterius criam
quam praesens necessicas postulabat prosecutus sum, propter
cheoria, uc mihi vilum est, elegantiam ee novitatem.
Carerum ad explicandam Penduli Compolici naturam, cujus
ucilitarem in constructione horum automaton demonstro, ad
junsenda tuit Centrorum Oscillationis contemplatio, a pluribus
quidem, sed minus fcliciter, hactenus centata; in qua cheore
maca complura animadvertione, ni Fallor, digna reperientur,
ad Aiguras lineares, planas, Colidalque pertinentia. Ante hac
omnia vero praemieritur ipla horologii incchanica constructio,
pendulique applicario, ca Formâ quae ad ulus altronomicos apcil-
lima reperta est, ad cujus instar reliquae omnes, mutatis qua
opus est, Facile ordinari postint.
Onia vero contisie erresio hujus invenei successu, quod ACrL
plerum que Coler, quodque Fucurum praedixeram, ut plures lelc
ejus auctores ese cuperent, aut sinon libi iplis, (ux tamen na-
tionis alicui porius quam nobis cum honorem cribui vellene,
iniquis eorum conactors cultee anesliando occurrendum hic
DHIR ISFIANI
evalu, ut poleaceta enpeed cerra marique capra, mani