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# Title: [Astronomiae Physicae & Geometricae Elementa] Astronomiæ Physicæ & Geometricæ Elementa (shelfmark Leibn. Marg. 124)
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_E CTEOMETRLCA H, L KMEN TA.
EROPOSLTIO XXXV
His Longitudine Loci, Diei FTora  Solis Locd. um Feliptica
respectu LTorizontis determinare; hoc est, icae 1T0-
rixontis anculum, (sive eradus Felipticae ab oriente pancto Nona-
sesuni ullitudinem supra Florizontem, punctum Pclipticae oriens
Cindleque gractum Rlonaeesimum) panctumque Llorizonts, in quo
Ecliptica illum intersecat, invenire.
Reliquis manentibus ut prius, sit in Fcliptica MSE A 3Ol 8. AI
FToram datam inveniatur (per PrOp. XX.) ejus ACcentio recta, siro
(DOSito eSB declinationis circulo) punctum B in Aquatore, ejutre
adeo distantia ab P. proximo s quinoctiali
Duncto, nempe L.B. Cumque IIora detur,
innotescit Aguatoris arcus BO inter B 8
Meridianum interceptus, adeoque et B0 c.
jus complementum ad A quatoris qua-
drantem 90: Sed datur B F, inde notus est
RO arCUS. In triangulo isitur A F O inter
Felipcicam, A quatorem _ FTorizontem
comprehento, dantur ansuli A F. 0 Felipti
Ca obliguitas ex aOF inclinatio LI. quatO-
ris ad FTorizontem, _ modo inventum latus P. O: unde innotolce
religua; quorum e. a0 hujutre complementum ad duos rCCIOS MAH
est ansulus, quem Feliptica facit cum FTorizonte, ab Altitudine gra-
dus Nonaselimi mensuratus; F. a distantia puncti PCliptica orientis
ab A quinoctiali puncto e, indeque punctum altissimum; Pre ora-
dus ab oriente puncto a. Nonasesimus innotoscit; et oa dictantia
orientis puncti a a vero Ortu o, in Florizonte computata. G. F. F.
PROPOSTTIO ZZZVI
Isdem datis, Syderis, cujus Lonsitudo e Latitudo aantur, situm
respectu ETorizontis, sive Utitudinem e ALmintsum inve-
nire; item punctum ansulumque, in quo Verticalis per dutum Sy
dus Eclipticam intersecat, determinare.
Syderis S locus secundum Pongitudinem e Lacicudinem datus
(DEF CONVEFL. PFOP. XXVIT) reducatur ad A quatorent, hoc est, quae
Eantur ejus Ascentio Recta e Declinatio.
Cumque Solis AIcensio Recta detur, dabi-
tur ee Ascensionum harum differentia.
Sed ex ITora data notus eAt Aiquatoris
arcus inter Meridianum et circulum de
clinationis per Solem traductum interce
Deus: innotescit isituF _E OR arCUS AP. qua-
toris inter Meridianum ex es declinatio.
nis circulum per s transcuntem; adeoque,
quem hic menturat, angulus opR. In tri-
ansulo ZPS dantur latera e2, es Cillud complementum Fseratn
L ib. II.
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