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HandArrighetti
SourceCopied from the Galileo's autograph folio 140r.
Relation to
Discorsi
Part of elaboration of 2/30-th-19.
Transcription in the
Edizione Nazionale
405.22-26

FINAL TEXTTEXT VERSIONS
Sit linea horizontis ac, perpendiculum vero bd, et in ac accipiatur quodcumque punctum c: dico, quod si mobile debet ex c ad lineam perpendiculi naturaliter per unicam lineam rectam moveri, ad eam perveniet tempore brevissimo si veniat per ce, quae lineam be, ipsi bc aequalem, assumit.
EDITORIAL MARKUP
Sit linea horizontis ac, perpendiculum vero bd, et in ac accipiatur quodcumque punctum c: dico, quod si mobile debet ex c ad lineam perpendiculi naturaliter per unicam lineam rectam moveri, ad eam perveniet tempore brevissimo si veniat per ce, quae lineam be, ipsi bc aequalem, assumit.

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Text Block 1A of
Folio Page 53 r