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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)
# Folio 95, page id 1016735707:0111
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L.IB. 1. De Perpendiculo.
Non aliter ad aliud quodliber anni cempus, Perpendiculi morus horarius
inrestigandus est: quod a nobis peractum ultima hujus Tabula Periesre-
Prxelentat: in ea enim cernicur vibrarionum numerus horarius modo ma-
jor, modo minor, prour hora Solaris cempora media plura, vel pau-
ciora Continet.
Exterum hac horarum Solarium inxqualitas omnino negligendanon
eA. Nam licer carum differeneia ue plurimum exiqua, aur eriam nulla sIE,
brevior ramen à longiore deticie plusquam dimidio scrupulo unius gradus:
Unde si numerus vibracionum Pexpendiculi alcerueri illarum congruac, ab
alcera consimili areu dissentiar, dimidioque salrem scrupulo Falli nemeran-
remnecesse est, e quo rempus hiee productius, eo magis error cimendus
erit: Nam duabus horis, incc oro unius gradus scrupulo, cribus horis, (cru-
pulo cum dimidio, et sic de inceps à (copo aberrabitur.
Fec de diebus horisque Solaribus, occasione Perpendiculi, dixisse luni-
ciac, ratione cujus a propolica materia aliguanculum digressi, aliis Forsican
Prodesse pocerimus. Nobis vero cam diligens remporis discultio, in Dia-
mecrorum Solis Cunxque dimensione, necellaria non cs; arcus enim,
quos in hunc tinem, Perpendiculo merimur, ita exigui sunc ( quippe
qui dimidium oradum vix excedune) uc maxima differencia, guae cx dic
rum nacuralium inxqualirare oricur, in illa cemporis brevitate, cora penc
crarie lcar: Quare mocus Perpendiculi horarius invencus, ur diximus, 9550
vibrationum simplicium, toro anno porerit secure recineri.
suxca hunc vibrationum numerum, constructa est sequens Fabula, qua
alium ulum non habet, Disi, uc per cam accurare inveltisencur brevissi-
ma illa rempora, quibus Sol perrransic circulos declinarionum: aferet
aurem illa cum magna Facilirare, non leve compendium, uno quippein-
cuicu, cregione dacarum vibrationum, cempusillis respondens inveniecur:
ur (i, Solc praerersre dience planum Meridiani, numeraca fuerinc Perpen-
diculi vibrationes simplices 338, hic numerus qua licus in Tabula, dac illi-
couniuscemporis (er. 3E si, qua sol incerim sccundum LP quatorem per-
asrabac. Ouod slonsiora rempora, puraunius semihorx, auc lemiho-
ram excedemia obserraverimus, cunc non inconoruum crir, si utamuE
mocu Perpendiculi horario cempori obserraco convenience, qui invecti-
sacur modoa nobis superius cradico, ex roro anno rariacur, uc pracedens
abula octendic. Exempli graria, numerata sine Perpendiculi vibracioves
simplices