Gives reason for writing [Principles of Geometric Demonstration (1844)]. Plans later edition in which HW will cite JH's statement in [Quarterly Review]. Role of sense experience in axioms.
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Gives reason for writing [Principles of Geometric Demonstration (1844)]. Plans later edition in which HW will cite JH's statement in [Quarterly Review]. Role of sense experience in axioms.
[Responding to JL's 1844-12-30], declines JL's request that JH write a series of articles on meteorology, because of JH's need to work on the manuscript for JH's Cape Results. Hopes eventually to write on meteorology.
Sending copies of his Correspondence mathématique for the R.S.L. Will send some notices of the Arctic expedition.
Returned home full of health after his stay with JH. Visited the Pirie's at Maidstone. Someone suggested JH was the author of Vestiges. Mr. Pirie agrees with their project. Experiments by electricity for inducing plant growth. Mrs. Pirie has been giving him details of mesmerism at Maidstone.