Regarding spots on the sun and [T. J.?] Hussey and [A.?] Dawson's observations.
Showing 21–40 of 48 items
Regarding spots on the sun and [T. J.?] Hussey and [A.?] Dawson's observations.
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.]
Georg Merz's practice regarding the sale of object-glasses. Is preparing a model of a transit circle.
JH comments on quality of Georg Merz object glasses.
Regarding the originator of the R.A.S. Regarding his duties as trustee and other legal matters.
Regarding the origins of the R.A.S. Will try and find a substitute trustee.
Informing him of the recent death of Mrs. Lestock Wilson.
Will be happy to abide by JH's judgement. Would like to know if the publication of the instructions in the manual would interfere with their separate publication. Will have to obtain financial assistance if his observations are to be continued.
As JH has accepted the superintendency of the Admiralty Manual he will try to undertake the geological part, but it will take time as he is busy on another project.
Has found that Orionus is a double star. Compares William Lassell's and Wilhelm Struve's observations of various stars.
Some additional details about JH's aunt Caroline [see JH's 1848-1-27].
Sending something from Airy relating to the testimonial. Anything he does not use can be returned to Somerset House for AD.
Needs clarification about John Lubbock's planetary theory; thanks for G. B. Airy's lunar reductions.
Sends statement of JH's account [for publishing Cape Results]. Sales of book are less than anticipated but continually increasing.
Thanks JH for the gift of a copy of JH's Cape Results, and admires it greatly.
Gratitude for receipt of JH's Cape Results. Owning no instruments, EH appreciated JH's chapter on 'naked eye' astronomy. Notes and drawings of variable stars.
Informs JH that JH has been made an honorary member of the Physical and Natural History Society of Geneva; the Society thanks JH for a copy of his Cape Results. Comments on F. V. Mauvais's discovery of a comet and on the illness and death of Caroline Herschel. Will send comments on some of JH's astronomical work later.
Seriously ill. Will forward manuscripts to JH by next week.