A note of thanks for a copy of JH's Outlines Astr.
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A note of thanks for a copy of JH's Outlines Astr.
Regarding Prof. Baden Powell's paper on dark bands. Is making catalogues of the moveables of the observatory.
Concerning prism refraction.
Regarding the printing of Thomas Maclear's Survey papers. Work on magnetical and meteorological observations.
Regarding equipment at Royal Observatory. Comparison of planets.
Further observations on David Brewster's experiments. On heliometers. Observations on suggestions for Standards.
On the possibility of obtaining a heliometer from Munich.
Sending two copies of the 'Extracts relating to Standards.' Remarks on these extracts. Requests JH to fix a date for a meeting to discuss the report.
Sending draft of report and appendix. Specimen of a gauging scale.
Informing JH of a meeting of the Commission on Standards at Somerset House on 28 May 1841.
Regarding JH's examination of the observations of equinoxes and solstices; GA assures him that these occurrences are observed by Cambridge and Greenwich, though JH does not mention it. Hopes he has received the report of the last 'Standards' meeting.
Returning photographs. Hopes Lady Herschel is well. Remarks on Admiralty printing Planetary reductions.
Has sent JH's report on N. L. Lacaille's star computations to William Whewell.
Has received JH's 'Report' proof regarding JH's description of specific gravity. Captive balloons. Would JH refer him to D. F. J. Arago's experiments on the shadow of a disk.
Sending two papers, one for the Physical Committee.
Regarding JH's receipt of the 'Standard' reports. Remarks on the electrometer and barometer in the recent storm.
Regarding his letter writing. Has a promise of a trip on the Dover Railway.
Hopes to meet JH on 29 March.
Returns photographs of spectrum, with observations on the results.
Returning photographs, with observations. Regarding the transport of loads in hilly country. Remarks on the transcription and pronunciation of foreign languages.