| Size |
Height 292 mm, width 201 mm. |
| Comments |
Written by Galileo; contains drawings, minimal texts, calculations, tables. Relation to the Discorsi: related to pf. |
| References |
Wisan 1974 189; Drake 1978 96-97; Drake 1990 frontispiece, 14, 18, 20 -31, 92-93, 99 ; Drake 1987 42-46, plate 5, plate 7, 48-50, 54 |
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| Folio 189 v (final text) |
| 1
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| 2
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tempus per ac ad tempus per ab habet rationem compositam ex ca, ab et da ad as. |
| 3A
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si diameter ab sit 4000, arcus bd conficitur temporibus 62 |
| 3B
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perpendicularis cuius longitudo 48143, conficitur tempore 280. |
| 4
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tempus ba ad t[empus] ad ut ba ad ad |
| C01
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13 + 530 + 320 + 180 + 95 + 320 + 530 = 1988
1988 : 16 = 124 |
| C02
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(100000 * 6700) : 27834
100000 * 6700 = 670000000
670000000 : 27834 = 24071
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| C03
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48143 * 4000 = 192472000
sqrt 192472000 = 13873
4/7 |
| C04
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| ae | 19 | 9 | | ad | 4 | 6 | | ab | 10 | 15 | | ac | 18 | 18 |
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| C05
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ac [quadratum] 324
ab [quadratum] 225
324 * 4 = 1296
225 * 9 = 2025 |
| C06
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(4000 * 280) : 13873
4000 * 280 = 1120000
1120000 : 13873 = 80 2/3 |
| C07
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(131 * 180) : 100
131 * 180 = 10480 + 131[00] = 23580
23580 : 100 [= 235 80/100] |
| C08
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(18 * 4)
(10 * 6)
[18 * 4 =] 72
[10 * 6 =] 60 |
| C09
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20 * 4 = 80
12 * 6 = 72
80 * 108 = 8640
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| C10
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1600 : 4 = 400
ca [quadratum] 400
1296 : 9 = 144
ab [quadratum] 144 |
| C11
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ac [quadratum] 324
ab [quadratum] 225 |
| C12
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| longitudine | | tempus | | ac | 20 | 20 | | ab | 12 | 18 | | ae | 9 | 9 | | ad | 4 | 6 |
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| C13
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ca [quadratum]
400
144 [quadratum]
ab |
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