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# Title: Leibniz-Handschriften zur Mathematik LH 35, 15, 6
# Folio 71r, page id 00068208:0143
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oriretur. Ideo sapputata lunae parallari corri
gendus est ejus locus indagandumque quo in loco
sit nunc apparitura, si ex ipso terra centro vel
alio loco cui verticalis est, spectetur. Barallaris
autem seu error tanto major est, quanto major
obliquitas anguli quem facit ad horipontem
seu quanto minor elevatio. Sed correctio
huius erroris est in potestate tum quca anguli
obliquitas obseruatione data est, tam quea altitu
dinem Lunae, V semidiametrum terrae satipexplora
ta habemus. Esto Horijon loci acb. ad cuus
centrum c. radius lunae cd. facit angulum
obseruatione cognitum deb. Esto centrum
terrae et ducaturque linea a centro terraadlunam
ed. Constat in Triangulo dec cognitum esse
unum
comm ex angulo cognito
SCayneta e duo:
acb v. rttobco. et latera ec Semidiame,
trum terrae, e ed. distantiam Lunae acentro
terrae. Ergo per canones trigonometricos
unum
O
duo
etiam residuum latus cd & residui anguli
c de  ced. cognoscentur, et cognito angulo ced.
co gnoscetur arcus cef. in terra vei
magno
res ipondents magno in circulo sphaerae coelestis
an cus gh. ex centro terrae e b Arodummn Znithloc
q
in sphara codesti samplo des criptus sac proinde
portio ciusdam verticalis loci. ) isi continuet,
per locum unae incorrectum 1. in eadem
su haera assumptum transiens. Unde intelli
git ur h. esse in sphara coelesti locum luna
verum. Hinc Tabulae construi poterunt.
qui bas dala Lunae obliquitate senelenatione super horizonten
quantitas parallareos sine calculo inveniatur.
dera Mechanice, sine tabula e calculo inffrumento
a poterit praestari. Habemus ergo veram lunae
latitadinem hac observatione inuentam 
B
insplara artificcali notandam.
40 vero hoc amplais ajo ereadem obserccaoe
tempas per asers Mundi elici pessem