Part,  Chapter

1 1,3|   going to try this evening to calculate the latitude of Lincoln
2 1,3|       at midday, I will try to calculate the longitude." ~If the
3 1,3|    height which he intended to calculate next day by a simple process
4 1,3|    there was only the angle to calculate by bringing back the observation
5 1,4| directly. They had now only to calculate the operation. Nothing could
6 1,8|       in its fall, was able to calculate the depth of the well, which
7 3,4|     difficult to work. We must calculate on several weeks delay,
8 3,9|        arrived, and they might calculate upon launching the vessel
9 3,0|        the Pacific. Could they calculate that, by a truly providential