Sends GA a list of errors found in the sheets for the nebula catalogue [see GA 1863-5-14].
Showing 41–60 of 87 items
Sends GA a list of errors found in the sheets for the nebula catalogue [see GA 1863-5-14].
Provides last list of errors and explains JH's role in detecting them [see GA's 1863-5-26]; is worried about the task of proofreading.
A letter of introduction asking GA to admit Major Robertson and his sisters to the observatory.
Saw J. B. N. Hennessey [who had just come from India] at a Greenwich visitation day, but did not have time to speak to him there. JH will invite him to Collingwood.
Passes on recent reports of good news that daughter Caroline is improving, and that JH's wife, Margaret, survived the journey well. [Margaret went to Dublin to be with Caroline when she became very ill at the birth of her daughter Kathleen.]
Gives permission to reprint letters to Athenaeum on standard of length, in light of recent bill to metricize. Requests as many copies as possible.
Comments on GA's activity in correcting the calculation errors [see GA's 1863-6-2].
Seeks WW's signature for the Thomas Maclear Memorial. JH's daughter Julia has been ill.
Discusses dispersal of copies of letter against adoption of 'French metre' [see JH's 1863-6-4].
Would be pleased to receive a sample of thallium. Queries regarding the manufacture of pure nickel and cobalt.
Thanks for the thallium. Further regarding his 'cobalt steel' and its uses. Fluorin glass.
Has spent much time on figures and annotations for JH's nebula catalogue [see GA's 1863-6-5]; JH needs information from a paper in GA's hands.
Was surprised at the large vote in support of a parliamentary bill to abolish the British Standard of weights and measures; JH hopes bill will not pass.
Comments on zero and observational errors when using a telescope, and adds some comments about family relationships and JH's nebula catalogue. [Part of this letter is indecipherable.]
Agrees that the weather is hot. The word theodolite. Where did he obtain his verses by Walter Mapes? Why not come and visit them?
Writes to FM to show several ways in which a series of prisms may be used in a spectroscope to have the light exiting in the same line as it entered the spectroscope. [Appends 4 pages of diagrams.]
No summary available.
Is sending manuscript with comments. Congratulates her 'activity of mind.' Critiqued her paper according to the effect it will have when published. Working on catalogue of nebulae.
Describes in vivid detail the account of an 'extraordinary meteor' in October 1854. Given by a person from Hurworth.
Tells AQ that last letter on meteors was written not by JH but by A. S. Herschel. JH attributes phenomena to cosmic origins. Gives further details.