| Size |
Height 305 mm, width 215 mm. |
| Watermark |
Head with crown and beard. Drake's identification: Watermark type 23. Drake's description: Crowned heald in circle 38mm. Watermark found in 1631-34. Found in manuscripts 1612-14 (floating body controversy), 1631-32 (note on Rosa Ursina). |
| Comments |
Written by Galileo; contains texts, drawings, calculations. Relation to the Discorsi: work on 2/35-pr-14; work on 2/34-pr-13. |
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| Folio 99 r (final text) |
| 1
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Si excessus od aequatur di, [rectangulum] pdo, idest [quadratum] da, ad [rectangulum] ndi, idest ad [quadratum] de, erit ut linea pd ad dn; [quadratum] autem da ad [quadratum] de est ut [quadratum] ab ad [quadratum] bc; ergo faciendum est ut pd ad nd sit ut [quadratum] ab ad [quadratum] bc: pd autem componitur ex [dua]bus mediis df, fa, et nd constat ex [dua]bus ead, ut 2 dfa ad [du]as dae sint ut [quadratum] ab ad [quadratum] bc. |
| 2
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Si ea cum ag aequantur af, excessus da super ae est aequalis excessui df super fa, et fa, ad aequantur fd, ea. |
| 3
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ut tempus per eab sit aequale tempori per ab, faciendum est ut ea cum ag sint aequales af. |
| C01
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49 - 25 = 24 |
| C02
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56 * 56 = 3136
38 * 38 = 1444
3136 + 1444 = 4580 |
| C03
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94 - 67 = 27 |
| C04
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161 * 27 = 1127 + 322[0] = 4347 |
| C05
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67 * 67 = 4489 |
| C06
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94 * 94 = 376 + 846[0] = 8836
8836 - 4489 = 4347 |
| C07
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