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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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LIB. I. De Pdpennio.
arcum circicer eriginca graduu moreretur, uc anre d, led Perpendiculubre.
vius, e cermino linex perpendiculari vicino, ic ve arcum quasi quinque
raduutacum describerer: Cacimque ribrationes veriu lque obserrans, dum
P’erpendiculi longioris vibrationes simplices A0O HIMEPAFENEUE: INECTCA
Perpendiculum brevius 407 complesse animadverri.
Unde constae vibraciones primas diururniores esse olcimis, hoc est vi-
braciones majorum arcuum pluscemporis requirere, quam minorum, dit-
Ferenciacamen fere insen sibili. Sed hoc ludibrium oculorum ese BOn po-
cuie, auc error in numerandis vibrationibus, cum eadem perperud diste
renciola inventa fuerie, quories hujus rei periculum feci: quod, licer haud
lacis apposce dictum sc, hlc camen addere volui, hoc uno nomine, uciis
qui alicer senciune, per simile experimenrum, Elubet, (quod cerre sacillin
mum cA) rei verirarem dilucide intueanEur-
Ex prxedictistamen non sequicur, Perpendicula ejuldem lonsicudinis
eamdem habere vibracionum inxequalicarem: immo Dociisinfertur, Per.
Pendicula ciro quiescencia anomaliam lubire majorem: quae vero diurius
morentur, minorem: Sicucirorera majorem experimur vibrationum dit.
Ferenciam in Perpendiculis craltiori filo Colpensis, ee pondus sub mole ma-
jori lerius habencibus: quia ob majorem aeris reliltenciam brevioritem-
POre moventur. Econra minus percipirur hxc differencia in Perpendi-
culis flo subriliori luspensis, ec pondus sub minori mole gravius habenti.
bus, eo quod mocus illorum, ob minorem aeris relistenciam diuciis per-
severat.
Caererum haec vibrarionum inx qualitas aded exisua cst, ur de ea cura-
re luxerAuum sic, nisi in prolixiori cemporis numeratione, in quo calu er-
ror Cenlibilis poser deprchendi: Omne tamen vibrationum diserimen eva-
nelcer, ( Perpendiculum idencidem im pellatur,ur possic conservare camdé
vibracionum lacicudinem, (ed ea dexcericare, uc illarum series non inter.
curberur: id aurem commodissime Hec, si basis columna Perpendiculum
lustinentis, in quocumque locoponatur, eraviltimo aliquo pondere, vel
cochlea frmiter Cabiliatur: cunc enim columna praedicta, quam exilem
vocius, quam crassam eAs expedie, unico digici impullu, eoque levittimo
decterur, acque refecterur: calisque moruslicer insensbilis ipsi Pendulo
communicatitur, dummodo impulsus har versus camdem parre, ad quam
cendic olobulus: _ ica vibraciones sine visibili incerrupcione evadene ma-
SorES, morusque Perpendiculi hacracione, quandiu opustuerie concinua-