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Writes on family matters and researches.
Mentions construction of a pendulum
and completion of a paper he will send to the Royal Society.
Has sent off paper to the Royal Society
and begun work on a new problem which he feels contains the meaning of Bode’s Law, concerning the mean distances of the planets from the sun. There are mathematical difficulties, however, which he may be unable to surmount.
Will get to work on the pendulum next week.
Writes of a Mrs Noel, who is annoyed with CD’s neglect of Erasmus Darwin’s brother, W[illiam] A[lvey] D[arwin I], [in Erasmus Darwin].
Asks CD’s advice on how to answer a letter requesting his endorsement of Wrigley, his former teacher at Clapham School.
Is having a trough made to try experiments [on ripple-marks].
Comments on CD’s book [Movement in plants].
Continues with his experiments with ripple-marks.
Is in despair about his astronomy.
Send CD a present of a fur coat.