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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 143, page id 799199311:0159
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143
HOROLOO. OSCALLATOR.
_ paabolicx linex porcionibus simIIDaS AKB, quae paraBOIX peF DE CEUTnO
verricem a eranscunt, axemque habent e E, diridenrem bitariam rrovio
lacustrancterlum aF, ac parallelum baM B B. FF hujus quidem Egu
Ex B K A K B, cenerum craricarisL, cancum diltar a vertice a,
quancus centrum graritaris conois a B B; eAtque aris a D ac
AL, lIcuc cripla F a cum dupla a D, ad duplam F a cum selquial
tera a D. Deinde _ distancia cenert or. Rourx dimidix A DBL, ab
AD, iltveniri pocest, acque eriam lubcentrica cunci super fioura
BR ALB, ab scissi plano per AP, Patallelam BB; hujus inquam cu
nei labcentrica, super ipla a P, inreniri quoque porest; acque ex
his conlequenter centrum agicatiols conoidis, in quaris lulpen-
Tione; dammodoaxis, circa quemm movetur, sic bali conoidis pa-
rallelus. que invenio quidem, li aris a D laceri tranlverso A F
aequalis fenacur, spacium applcandum aequari = quadrari AD,
cum,  GaaraEI D B. TunC autem A L eA = A D.
2L2 a
Unde, si conoideshujulmodi exverrice a suspendatur, inveni-
cur lonsicudo penduliilochroni, as, x qualis ? AD, cum s certix
proportionalis duabus AD, DB.
per axem, cenerum agllationis inventre licebit. Vense conus
dimidiatus aBc, verricem habens a, diamerrum semicirculi ba-
Centrum oscillationis dimidii Coni.
Delusqu u esdis dimidiaris quibusdam, qua hunc sectione