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# Title: Leibniz-Handschriften zur Technica LH 38
# Folio 290v, page id 00068537:0582
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2. Supp. 7.
ids
Si tria umbrae puncta F, DF. aequaerter
remota sint a styer apice A, superficieo
ab umbra duti apiero descripta, in qua
a
reperuuntur tres einca umbrae aquales
AF, AD, AF, non erit plana, sed conica.
si enim superficies illa esset plana, cum
ipoa secet peanum horoloau in tribus punctus
F, D, F, communio utriusquo peant sectio; qua
quiden. Unea recta esset, transiret per puneta
F D, F; ac proinde ab eodem puncto A, ad
eandem lineam rectam FDF, ducerentur.
c. Supp. 3.) treo rectae aequates AF, AD, AE.. Quod est
2. prop. 20)
6. supst. 2.
absur dum. Quare illa superficies in qua
tres linea umbrae aequates AC, AD, AF. repe
riuntus non est peana; ergo cum possit
tantum esoc peana vce concca, erit
necesiario concca... e. D
Sro p00. 22.
Si tria puncta umbrae, F, D F aequalitet
diotent ab apicestyer A. Dico peanum
horologus esse aequinoctcalem
Cum enim supar ficreo umbrae in qu’a
repertuntur tria puncta, F, D, F cum lines
umbra aequalit. AF, AD, AF, sit necessario
conica, et ab ejus vertice L equaerter
drstare ponantur, ipsa igitur erunt in peri
pherra aercujus ex circulis illius com in
un
3. CadUs
9
a
d
b. 3. I1. E.
d. Suppi. 7.)