Has JH received Thomas Maclear's observations on Encke's comet?
Showing 21–37 of 37 items
Has JH received Thomas Maclear's observations on Encke's comet?
Regarding Cape Town telescopes. Has written to Thomas Maclear for observations on Encke's comet.
Regarding JH's forthcoming visit to the Greenwich Observatory.
Whether a repulsive force from the sun affects the tails of comets and thus the constancy of their orbits.
Regarding object glasses for telescopes. Relative merits of Munich and French object glasses.
Further observations on object glasses.
Informing JH that he certainly wrote to him from Limerick.
Regarding F. W. Bessel's letter on the irregularity of proper motion in stars. Is it worth printing Nevil Maskelyne's observations on star places?
Hopes JH will write a memoir of Francis Baily.
Regarding object planes for the telescope.
Giving abridged history of the establishment of the new Board of Visitors to the Royal Observatory. Details concerning the Nautical Almanac. Standards commission.
Regrets his delay in not returning F. W. Bessel's letter. Observations arising from this letter.
Inquires about the possibility of holding a Standards Commission meeting on the Royal Observatory's Visitation Day.
Arrangements about attending a meeting, together with some thoughts on the behavior of comets.
About a suggested magnetism conference, Francis Baily's illness, and some remarkable observations by F. W. Bessel.
Making arrangements to stay with GA when JH comes for a meeting.
A note of acknowledgment for receipt of books, which JH has forwarded.