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280
G. Galilæus, his Systeme.
30 m. which I see that being reduced from 4 gr. 30 min. to 2 min. yet neverthelesse it elevates not the star to 29. semidiameters.
| BD | Chord | 1746 | |
| BDC | Sine | 92050 | |
| BCD | 4 gr. 30 m. | Sine | 7846 |
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The eleventh rendereth the star to the Authour remote about 13. semidiameters, with the Parallax of 55. min. let us see, reducing it to 20 min. whether it will exalt the star: See here the calculation elevates it to little lesse than 33. semidiameters, the correction therefore is little lesse than 35. min. in 55. min.
| BD | Chord | 19748 | |
| BDC | Sine | 96166 | |
| BCD | 0 gr. 55 m. | Sine | 1600 |
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The twelfth with the Parallax of 1. gr. 36. min. maketh the star lesse high than 6. semidiameters, reducing the Parallax to 20 min. it carrieth the star to lesse than 30. semidiameters distance, therefore the correction of 1 gr. 16. min. sufficeth not.
BD
