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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)
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FTOROLOG. OSCILLKTOR.
3
24. Decemb. anni 1657. datis, icta habeneur. Duo rancum addo, unum DE LLHNFAKU
CUIRVAKUM
_EC. Arerum est, mehas omnes curvas, ipsumque adeo locum linearem in - EYOLUTIONE.
reorum, nihili pene facere prae invento hoc uo, quo superficiei in conoide para
bolico rationem ad circulum suae baseos demonstrasti. Flanc pro circuli qua
dratura pulcherrimam à razcorir praefero libens iis omnibus, quas ex loco li-
neari nec paucas olim deduxi, es quas recum, si ita jusseris, data occasione
communicabo.
Anno aurem insequenti etiam superficies conoidum hyperbo.
licorum e spharoidum reperi, quomodo ad circulos reduci pol-
Tent, constructione (que corum problematum, non addicacamen
demonstratione, Ccometris quibulcum tunc liccerarum commer-
cium habebam, in Callia Paschalio aliilque, in Anolia Wallisio
impertii, qui non muleo post lua quoque super his, una cum aliis
multis subcilibus inventis in lucem edidir, Fecicquo uc noctris
demonstrationibus perticiendis supersederem. Ouoniam vero non
inclesantes vila lunc constructiones nostrae, ne que adhuc publi.
ce extant, placet hoc loco illas adscribere.
Conoidis Palaoolibo superscet Cni Da CaChld
agualem invenire.
Ae Eldelae cto cusco cta et anclletatartaaeantu
escto bD, retcla B, Malelet aIIS a C, GuiliariB D adan-
SuloslS. Er oporreae superficiei porrionis currx invenile u
culum aequalem.