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# Title: [Astronomiae Physicae & Geometricae Elementa] Astronomiæ Physicæ & Geometricæ Elementa (shelfmark Leibn. Marg. 124)
# Folio 360, page id 1040780814:0378
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7
ASTRONOMLE PHZSTCA
PROPOSTTIO RLIV
Raecia Desectus Solaris Phaenomena recensere, Tellurisque
Loca describere udi contincunt, dum Lunaris mbra in lovi
Repralentet ccD Lelluris Cilobum, luper Polum e’allesgu
latentem motu diurno ab Occidente in Orientem, sire dc Turtum ver-
sus c revolutum. Globi hujus Flemisphaerium in Schemate conspi
cuum idem Et cum illuminato à Sole, adeoque Sol directe e per-
pendiculariter incumbat circuli eDc polo S. Per Polum e de pUn
ctum s traductus supponatur circulus immobilis extra Folluris su
perticiem exHtans PSR, item alter xox communis sectio plani LClt.
prica cum superticie Terra d huic alter ad ansulos rectos ZSX, H
militer exstantes, intra quos
Terra motu diurno revolritur.
Constat in quoris Telluris LOco
eAe Meridiem, cum ille ad cir-
culi ese semissem hic conspi
cuam appellit, quoniam Sol in
hujus plano verlatur. Reterat
aBiter centri Penumbrae Luna-
ris Pemitam EN F in Felluris superticie describentis: licet Telluris
Flemispharium illuminatum d Sole, cuique proinde Dies eA, supra
Schemiatis hujus Superticiem attolli supponatur. Via tamen ABs d
centro penumbrosi circuli peragrata concipitur in plano Disci, super
quod dictum Fremispharium insistit. Porro, liCCt PSR, RSF, Z5X
sint circuli in dicto Fremisphaerio illuminato, in s puncto soli di-
recte subiecto se mutuo decustantes, reprasentant etiam et rectaS In
Diseo Terrae circulis iltis directe subiectas, in quas nimirum dicti
circuli orthographice projiciuntur ab Oculo constituto in rectae So.
lis e Terra centra conjunsentis puncto lonsinguo.
Patet Penumbrae Lunaris centro ad a pervento (quando nempe
circulus penumbrolus tansit Terrae Discum in C) incola ad c B0.
sito Eclipin Solis incipere: Oui vero ad e contistit, per revolutio.
nem Terra diurnam FTemisphaerium illuminatum insredi incipit;
hoc es, illi Sol oritur; Felluris isitur incola c, quem omnium
Terricolarum Penumbra primum attinsit, Sol oriens primo det
cere ridebitur in supremo seu occidentali Cui margine. Cum ipsum
Cenumbrae centrum Tellurem ad F. attingit, incola ad F Orientem
Solem centraliter deficientem spectat, quippe Penumbra CentrO
Subjectus. Oui punctum Telluris habitat, ubi Penum bra FOTA inEra
Terra Discum recepta (E quidem id accidat) cundem interius
tansic, illi Fclipsis Solis ad marginem intimum finitur in Ortu:
sicut illi qui punctum tenet, ubi Penumbra interius Discum ultimo
tansit, jamjam ex parte ultra hunc procendenda, Fclipsis Solis ad
limbum intimum incipit ipso Sole occidente. Casis hosce duos in
Fgura nOn expreNimuS, ne contusio oriretur.
EuM
lunio Feliptico per Tellurem incedit.
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I135