This is the fragment of a book which was too bulky for the portfolio in which I was collecting such papers as I wished might not fall into any other but your own hands. They contain chiefly answers of your father to the inquiries I used to make when at breakfast before we separated each for our daily tasks.
1786-1787. Employments at Slough.
The information is of a very miscellaneous kind, but matters connected with her special study form the greater part of the questions. For instance:—
“Given the true time of the transit—take a transit.
Do the same thing another way.
To find what star Mercury is nearest.
Take its place in the Nautical Almanac.
Another way....
* * * * *
Time of a star’s motion to be turned into space.