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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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imo cintri agita
7
De novis mensuris Geometricis.
PRODLEMA.
Numerum vibrationum simplicium, quod Perpendiculum Virea
Geometricae aequale intra semiboram absolvit, invenire.
EXPERLMENFUM PRIMAN.
Ccepro slo cannabino, cum (phXrA Ferrea, Feci Perpendiculum, cujus
LLlongicudinem Foreuicam diris in parces aequales 6772 divisione arbiccaria,
quilivec enim numerus ad hoc idoneus cst, nec aliud quiegnam requiricur, nita
uc parces sine admodum exigux. Longicudo Parpendiculi, quae i quibuldam
dicicur alcicudo, est distancia ceneri Spharx, ulque ad sili excremicatem, in qua
CA Cencrum mocus reciproci: Sphaerx dinmeter erar calium parcium (alcemm 160,
Sed sili crasticudo rix duas aequabac. Ilas idcirco longicudinis Perpendiculis
diamerri sphaca, de crasticudinis sili caciones deligno, ne, iis omnino ne-
electis, duo Perpendicula ejusdem longicudinis, eodem cempore, diverlum
ribeacionum numerum ablolrere invenianeur, licee alioquin eam aCCuTACA
dilisencia in hoc non requiracur. Facta aurem collatione Virsa Geomerrice,
(cujus erpus mihi nocissimus es, ne ostendi superius) cum Perpendiculo prX-
dicto; Vicgae lonsicudo fuic carumdem parrium 5397. Hilque ica dilpo-
sicis, numerationem vibeacionum simplicium hujus Perpendiculi adortus
Cum, nus duobus horolosiis libeamenei penduli exquisicis, PExFer HOT2S d
minuca, eriam secunda indicancibus, e rerolurionem Solis divenam mediam
quam proxime imicancibus. Hac ided non cam ad Solis, quam ad Scella
alicuius fxx ceroluriones equacorias vepore incer se aequales accemperavi, lo-
licus expectare sirii cranticum pec unum idemque Azimuctum desisnacum
ee determinarum mihi per lacus perpendiculare cujuldam excella curris, qua-
deingeneis circicer pedibus ab obserrance oculo distaneis: Sic camen, nE, quia
reroluriones Solis xgnocorix medix rerolucionibus Axarum (CrUP. 3 56-
leneius absolruncur, ex horrriis quoque indicibus aequarocia Sirri rerolucio cori-
dem (ccupulis marurius expleca indies nOLARCEUE.
Leaque dic 28Maerii, anni 1665; numerari diveclos vibrarionum nume
r0s diversis remporum spaciis conveniences, idque circicer decies: ex quorum
omnium contensu, ecsulesvic numerus simplicium vibeacionum 2117 = unius
lemihoea incerrallo debicus: Ex numero aurem bexdicto, et ex cacione lon-
Sicudinum Viesx Ccomenice, hujusque assumpei Pexpendiculi; prodie nu-
merus simplicium ribeacionum Perpendiculi Virex Ccomerricx lonsicudinem
habencis. EC enim.
D loncirudo Perpendiculi Firea Gcometr. aequalis paet 5397
Ad lonsicudinem Perpendiculi assumpii
PaLC. 6772
Iea Ouadracum vibracionum simpl. P erpendis. assm pe1 Z
11
L
Tocarictmi.
Ad Ouadr. vibrat. simp. P er pena. Y ir ea Ge0. agu a lIS
2517
13321914
3.8307117
26+0 470
609019,5
9, 927 =2 12
6, 1950630
300975300
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