Suggests to GA that his observations [see GA's 1847-11-1] might rather support than destroy the theory of the thermo-electric origin of terrestrial magnetism.
Showing 41–51 of 51 items
Suggests to GA that his observations [see GA's 1847-11-1] might rather support than destroy the theory of the thermo-electric origin of terrestrial magnetism.
Currents in telegraph wires.
Asks GA for details about the scientific support provided by Hugh Percy; also asks about the availability of star charts on the Berlin Academy scheme.
Replies to JH's 1847-11-14, with respect to Hugh Percy and star charts.
Is still working on the distribution list for star catalogues [see GA's 1846-11-19].
Offers his suggestions for any trimming of the catalogue distribution list that may be necessary [see JH's 1847-11-17].
Sending account of the magnetic disturbances of 24 September 1847.
Seeks opinions on discontinuing use of 25-foot zenith tube and altering form of printed observations for transit instrument and mural circle.
Has been requested to prepare a manual of scientific instructions for the use of ship's officers, and is asking GA to prepare a section on astronomy.
Is willing to assist JH, but feels that the Admiralty must instruct GA to do so [see JH's 1847-12-23].
Has sent out a number of circulars to JH as a member of the Royal Observatory's Board of Visitors.