Text Block 1B of
Folio Page 142 r


Hand Galileo
Relation to
Discorsi
Part of draft of 2/35-pr-14.
Transcription in the
Edizione Nazionale
258 n.

FINAL TEXT TEXT VERSIONS
Sit perpendiculus ab, et ad ipsum inflexa bc: oportet, in bc partem accipere, in qua sola fiat motus codem tempore ac in eadem cum perpendiculo ab. Ducatur orizon ad, cui inclinata cb occurrat in e, ponaturque bf aequalis ba, (deletion) et, centro e, intervallo ef, circulus describatur fig, et fe ad circumferentiam usque protahatur in g, et ut gb ad bf, ita fiat bh ad hf, et hi circulum tangat in i. Deinde, ex b perpendicularis ad fc erigatur bk, cui occurrat in l, eil; tandem ipsi el perpendicularis ducatur lm, occurrens bc in m. Dico, in linea bm ex b fieri motum eodem tempore ac ex a per ambas abm. First version
Sit perpendiculus ab, et ad ipsum inflexa bc: oportet, in bc partem accipere, in qua (insertion) fiat motus codem tempore ac in eadem cum perpendiculo ab. Ducatur orizon ad, cui inclinata cb occurrat in e, ponaturque bf aequalis ba, et extensa fc, fiat eg aequalis ef. Et ut gb ad bf, ita fiat bc ad hf et, centro e, intervallo ef, circulus describatur fig, et fe ad circumferentiam usque protahatur in g, et ut gb ad bf, ita fiat bh ad hf, et hi (insertion) Deinde, ex b perpendicularis ad fc erigatur bk, cui occurrat in l, eil; tandem ipsi el perpendicularis ducatur lm, occurrens bc in m. Dico, in linea bm ex b fieri motum eodem tempore ac ex a per ambas abm.
EDITORIAL MARKUP
Sit perpendiculus ab, et ad ipsum inflexa bc: oportet, in bc partem accipere, in qua {INSERTION-1} sola {END-OF-INSERTION-1} fiat motus codem tempore ac in eadem cum perpendiculo ab. Ducatur orizon ad, cui inclinata cb occurrat in e, ponaturque bf aequalis ba, {DELETION-1} et extensa fc, fiat eg aequalis ef. Et ut gb ad bf, ita fiat bc ad hf {END-OF-DELETION-1} et, centro e, intervallo ef, circulus describatur fig, et fe ad circumferentiam usque protahatur in g, et ut gb ad bf, ita fiat bh ad hf, et hi {INSERTION-1} circulum tangat in i. {END-OF-INSERTION-1} Deinde, ex b perpendicularis ad fc erigatur bk, cui occurrat in l, eil; tandem ipsi el perpendicularis ducatur lm, occurrens bc in m. Dico, in linea bm ex b fieri motum eodem tempore ac ex a per ambas abm.

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Text Block 1B of
Folio Page 142 r