Responds to some of JH's concerns [see JH's 1847-12-30] about changes in instrumentation at the Royal Observatory.
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Responds to some of JH's concerns [see JH's 1847-12-30] about changes in instrumentation at the Royal Observatory.
A note accompanying a printed circular about the proposed changes in instrumentation at the Royal Observatory. [Encloses GA's circular to Board of Visitors.]
A note accompanying some manuscript pages of instructions for ship's officers [see JH's 1847-12-23].
Has received GA's manuscript instructions for ship's officers [see GA's 1848-1-9]; there is no hurry on the remaining pages.
Thanks GA for his contributions to some material JH is compiling; asks about date of Board of Visitors meeting.
Proposes changes in the buildings at the Royal Observatory to accommodate the shifting of one of the telescopes [see GA's 1848-1-6].
Comments on all of GA's instructions for ship's officers [see JH's 1848-1-10], mostly suggesting some additions about meteor showers.
Thinks the building changes proposed [see GA's 1848-1-21] are fine; explains JH's position on the whole matter.
Responds to a number of JH's concerns about buildings, instruments and printing at the Royal Observatory [see JH's 1848-1-22 & 1847-12-30].
Responds to suggestions by JH [see JH's 1848-1-22]; is worried about giving too much information.
Further regarding the distribution of the J. J. F. Lalande catalogue.
Regarding spots on the sun and [T. J.?] Hussey and [A.?] Dawson's observations.
JH comments on quality of Georg Merz object glasses.
Agrees that some of JH's suggestions about meteor showers were probably unnecessary [see GA's 1848-1-29].
Is aware of T. J. Hussey's drawings [see GA's 1848-2-1]; needs information about P. A. Hansen's lunar theory for an appreciation JH is to provide.
Concerning P. A. Hansen's observations of Lunar irregularities.
Regarding the proposed eight-inch object glass. Supplementary estimate for the Admiralty. Extract of a letter from Otto Struve.
Regarding modifications for the actinometer. Has written to Georg Merz regarding the object-glass. Regarding the eight-inch object-glass. Name of the maker of his actinometer. [JH has written a rough draft of his reply to this letter on the same sheet.]
Surprised by GA's unhappiness with George Merz [see GA's 1848-2-17]; suggests GA seek information from Thomas Maclear at the Cape, who is getting a new telescope from George Merz.
Georg Merz's practice regarding the sale of object-glasses. Is preparing a model of a transit circle.