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# Title: [Observationes Diametrorum Solis Et Lunae Apparentium, Meridianarumque aliquot altitudinum Solis & paucarum fixarum] Observationes Diametrorum Solis Et Lunæ Apparentium, Meridianarúmque aliquot altitudinum Solis & paucarum fixarum (shelfmark Leibn. Marg. 130)
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IB. I. De Perpendiculo.
rium unius serupuli pri horarii, cenrum et quinquaginta vibrationes, auE
etiam pluresablolvar: quod prius quolibet pendulo cencari pocest: Pon-
dus vero eale sic, ue Filum TuHicienEeF exTeN-
dac, sed illud gravicare nimia distrahendo non
abrUMPAE.
Paraco hujulmodi Perpendiculo, Si globulus e
puncto F, ad quod adductus FuCriE, diMIEEAEVE,
mox ex se ad Il cerminum Fere oppolicum cendet,
Perarcum F C II: acque hinc redcundo deseribet
alcerum arcum FIC I: Rursusque arcum ICK:
et lic deinceps alios acque alios arcus, quamdiu
morus continuabiee.
Arcus illo Perpendicoli descentu simul et
acentu descripei, quos vulsari vocabulo dici
mus bibrationes simplices, sune inter se inxquales, nam in qualibet
ritntone simplici lemper alcensus minor est delcensu, ut quocidia
papacet experientia: _ l necesse es, uc arcus praedicti cradane sem
ver minores acque mieres, quousque moru sensim cranescence, pondus
Temporahisribrationibus comperentia lunc eriam inter se inaqualia,
Sed non decreleune ca proportione, quaminuuneur arcus delcripei, seu
vibraciones simplices: Nam differencia vibracionum apparet continuo, dit
Ferencia vero incer earum cempora, non nili postlongam moram manite
stacur: quod mulcis, (ni Fallor) ea xequalia credendi au lam praebuic: se d iis
aliquidinesse diseriminis, experimento didici cerristimo, et plusquam eri
cies repecico: est aurem hujulmodi.
Flabui duo Perpendicula in omnibus equaliafere, horum lonoius ad
hibui, uementura mihi esser cerri temporis exactisma, ex invariabilis.
ejusque oper a brerioris Perpendiculi inx qualia vibrariOnUM MO eNEA (IC
deprehiendi.
Prxdicta duo Perpendicula c consticuriscerminis eodem tempore di
misi: ica ac simul inirio incedencia, per arcum eriginca circiter graduum
aMbOMOVEreNEUF, _ mox vibrationum numerarioni acFeNEUS, duMI Per-
pendiculi longioris +00 vibraciones simplices praeceriren; P erpendiculum
brevius incerim 406 absolvisse comperi. Rurtus ambo Perpendicula di-
mili simul, lonsiusquidem Perpendiculum ex consueco cermino, ita ut pet
in linea perpendicorar quieleat.