Some personal and some general astronomical news.
Showing 1–20 of 29 items
Some personal and some general astronomical news.
JH reiterates his support of a South Polar expedition.
Is anxious to hear from HL about his ideas for a major expedition for magnetic observations being considered by the B.A.A.S.
Further comments in preparation for discussion of major expedition [see JH's 1838-10-22] with representatives of the government.
Would like a statement from Edward Sabine and HL outlining the probable expense and materials required for the proposed expedition so that he can hand it to the government at the interview. Has written to G. B. Airy, who is not in favor of the proposed expedition, so will write again. Thinks it necessary for men of science to agree before presenting petitions to the government.
Passes on the suggestion, from G. B. Airy, of the use of copper rings for damping the movements of measuring instruments in measuring terrestrial magnetism.
Responds positively to HL's 1839-4-17, and adds some additional comments.
About times at which magnetic observations should be made at each observation station.
Sends to HL a sheet of curves laid down by [Charles] Riddell, comparing Brussels declination observations with those made in Toronto. JH frequently refers to HL's work on the subject of terrestrial magnetism.
G. B. Airy needs HL to send him the information used to set up colonial magnetic observatories.
About the urgent need to prepare a report on the magnetic observations, and that HL is the most logical person to give direction to it.
No summary available.
No summary available.
No summary available.
Regarding the revision of the instructions for the magnetic observatories.
Urges some revision in both the report and instructions for the magnetic observations.
Informs HL of the intention of holding a magnetic congress at the meeting of the B.A.A.S. in 1845, and JH seeks HL's opinion.
Asks HL for comments about the question of continuing the magnetic observations.
Question of procedure about considering the magnetic observations for publication.
Is trying to organize a meeting of the Magnetic Committee before the meeting of the B.A.A.S. in Cambridge, to deal with reporting and committee membership.