Harriot, Thomas, Mss. 6787

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131
131 (66v)
132
132 (67)
133
133 (67v)
134
134 (68)
135
135 (68v)
136
136 (69)
137
137 (69v)
138
138 (70)
139
139 (70v)
140
140 (71)
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11659
[Commentary:
At the top of the page is a table of sines for every 45 minutes, with fourth differences. The sine of 48.45' is highlighted.
In the centre is a table of sines for every 15 minutes, with third differences. The sine of 48.45' is in the final row.
At the bottom is a table of sines for every 15 minutes, calculated from the row for 48.45 on the assumption that the fourth difference is constant at 56 for the upper half of the table, 55 for the lower
]
Ad calculum sinuum, per
[Translation: For the calculation of sines, by ]

[Translation: ]
E canone
[Translation: From the table of ]
Per
[Translation: By ]

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