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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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ATOROLOC.
DSC ILLHLR
eROLDSITIO XXI
Patum aphite, quod eravia, perpendiculariter caden-
tia, dato rempore percurrunt.
Fiane IIICMsan GasCaGaC llactenus inveltiparune, experi.
menca consulere necesse habuerune; quibus, prouchactenus in-
Ricurafuere, non Facile ad eractam determinationem pervenitur,
propter velocitatem cadenrium, sub finem morus acquilicam. P. X
noltra aurem prop. 25, de Descentu frarium, cornicaque longitu
dinc penduli ad sccunda Scrupula, ab (que experimento, per cer-
cam consequenciam, rem expedire porsumus. Ac primo quidem
spacium illud inguiremus, quod unius scrupuli lecundi cempore
grare praererlabitur; ex quo quaelibet alia deinde colligere lice-
Dic. Ouia igicur penduli, ad sccunda scrupula, lonsicrdinem di
imus esse pedum Plorariorum z: tempus aurem unius ofcillatio
nis minimae, est ad cempus descensus perpendicularis ex dimi-
dia penduli aleicudine, uc circumterentia circuli ad diamerrum,
hoc cC, uE 355 ad rI3: Si hac, uc numerus horum prior ad alce
eum, ita cempus unius secundi scrupuli, sive lexavinta ter-
ciorum, ad aliud; ACnE 19= cempus descensus per dimidiam
penduli alcicudinem, quae nempe est pedis unciarum 18. Sicur au-
tem quadraca remporum, ita lunc spatia illis cemporibus peracta,
quemadmodum superiori propolitione tuir ostentum. Frgo, Li taE
ue quadratum ex 19 ad quadratum cx60, hoc est, uc 36481 ad
360000, ita 18 uncix ad aliud, henr ped. r4. unc. 9. lin. 6, altitu-
dodescensus perpendicularis, cempore unius secundi. Cum aurem
pes Florarius Tir ad Parisiensem, ut 88F ad 864; eric eadem altirudo,
ad hancmensuram reducta, proxime pedumrs ae uncix unius. AF-
que haec cum accurarissimis experimentis nostris prortus conve-
niunc. in quibus punctum illud temporis, quo calus AINIEIF, nOn
aurium aut oculi judicio discernitur; quorum neuerum hic latis
curum est; sed sparium descendendo peractum, alio modo, quem
hic exponere tentabimus; ab (que ullo errore cornoscitur.
Penduli, ad parietem cabulamve crectam, Cuspensi dimidia olcil-
lariomoram temporis, cadendo ablumpri, indicat. Cujus sphaeru-
la ureodem momento ac plumbum casui destinacum dimitratur,
urraque hlo cenui connera cenentur, quod admoro ione incidi.
cur. Sedprius, casuro plumbo, Funiculus alius adnectitur, ejuslon-
hicudinis, uc, cum corus exieric a plumibo rractus, nondum ad pa
DE CENFKO
OSCFLL A
T2ONY5