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# Title: Erhardi Weigelii Sacrae Caesar. Maiest. ut & Com. Pal. Sultzb. Consiliarii, Supr. Artium Archit. Directoris Saxo Ien. Mathemat. PP. totius Academiae Senioris, Philosophia Mathematica (shelfmarks Leibn. Marg. 65; ZEN Leibn. Marg. 65)
# Folio 220, page id 79876922X:0716
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m
DE IAVESTRGATIONE
Ec hoc mode, circulorum ope, circa puncta
data, ad intercapedinem propositae, natura utro-
Dique descriptorum, certis raciis per ea plincta
ductis conversentium, de hine aquolites con-
cinuatis concurrentuu; ceu manu dueti lumus
ad commune punctum (remve ad concursus
Dunctum P.) ex quo, cariquam ex centro, ad
intercapedinem composita ex dati et continua.
tione ejus FP. ociam natura ductus circulus,
delignatMenti punctum R. 2d quod ex centro
dato A, deducta recta A F, elt aegualis rectae da-
tx, radius nimisum radio aequalis circuli.
Licetisitur in delignationetopicâ l. hypothe.
cica aliquantispor ab hac designatione analytica
aberraverims (1) majore relminore lonsitudine
concepta; adjumento camen centrif. procrestu
Facto deprehensi, error huc reducitur, dumradio
FR, quaesita recta AF. Scientifice decerminatur, d
(2) alia directione, aliove situ, ei assignato, quam
proponens Forlan affectaverit una, li v. 8. ducen-
dam rectam data perpendicularem esse postu-
Larerit; hoc adjumento tamen d hic error com
penlatur, quando, lonsitudine ducenda rectae
scientitice dererminati, Sicum ex hoc dato pun-
Eto A. tanquam ex centro, ad propolitam BC.
quemcunque, jure circuli, ei conciliore licet sci-
entifice, reducto circa centrum radio AK. ad per-
pendicularitarem recta data tanquam baleos
subiecta, V. C. uE A R. erecta Aet ad datum BC.
Cubjacentem.
220
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det. 15
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at
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