Elementa matheseos universæ ..: qui commentationem de methodo mathematica, arithmeticam, geometriam .. . in Plau-ftro minore attingat i dentium interregulam & denticulum majorem in-terceptus numerus horam qucefitamindicabit. Demons tratio. Cum enim Stella polaris fit Polovalde vicina, fi eam per foramen Grefpicimus, diameter Inftrumenti AGBeft in Meridianoj ipfum vero Inftru-mentum in Plano ^quino6i:iaIi, quiaradius ex Stella Polari ad centrumdu(5lus, hoc eft , Axis mundi eft adipfum perpendicularis (§. 49 Aftron,)^ Quoniam adeo Stellce moventur per^quales an^ulos circa centrum Inftru-menti G
Elementa matheseos universæ ..: qui commentationem de methodo mathematica, arithmeticam, geometriam .. . in Plau-ftro minore attingat i dentium interregulam & denticulum majorem in-terceptus numerus horam qucefitamindicabit. Demons tratio. Cum enim Stella polaris fit Polovalde vicina, fi eam per foramen Grefpicimus, diameter Inftrumenti AGBeft in Meridianoj ipfum vero Inftru-mentum in Plano ^quino6i:iaIi, quiaradius ex Stella Polari ad centrumdu(5lus, hoc eft , Axis mundi eft adipfum perpendicularis (§. 49 Aftron,)^ Quoniam adeo Stellce moventur per^quales an^ulos circa centrum Inftru-menti G a^qualibus tcrnporum inter-vallis i regula StcIIam attingens ab-fcindit diftantiam Stella? horariam aMeridiano. Quod(i denticulum ho»ras duodeclmse ad Diem Menlis vellocum SoHs in Zodiaco adducas ;numerus denticulorum inter eum <Sdmanubrium interceptus prodct horamSolarem , qua Stella poft Solem adMerld^anum accedit. Numerus adeodenticulorum inter longiorem & re-gulam feu Stellam , eft numerus ho-rarum Soiarium a meidie vet medianode elapfarum. i^. e. d. F I N I S Elmentorum Gn0monicA^. ELE- ^ii :77//./.
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