Showing 21–37 of 37 items
The Sir John Herschel Collection
The preparation of the print Calendar of the Correspondence of Sir John Herschel (Michael J. Crowe ed., David R. Dyck and James J. Kevin assoc. eds, Cambridge, England: Cambridge Univ. Press, 1998, viii + 828 pp) which was funded by the National Science Foundation, took ten years. It was accomplished by a team of seventeen professors, visiting scholars, graduate students, advanced undergraduates, and staff working at the University of Notre Dame.
The first online version of Calendar was created in 2009 by Dr Marvin Bolt and Steven Lucy, working at the Webster Institute of the Adler Planetarium, and it is that data that has now been reformatted for incorporation into Ɛpsilon.
Further information about Herschel, his correspondence, and the editorial method is available online here: http://historydb.adlerplanetarium.org/herschel/?p=intro
No texts of Herschel’s letters are currently available through Ɛpsilon.
Might have saved JH some work if he had known what G. F. J. A. Auwers was doing [see GA's 1863-2-20]; has found some more errors in nebula calculations.
Giving results (including diagram) of a comparison of earth currents and magnetometer disturbances.
Warren de La Rue has suggested that WB apply for a government grant to further his researches on the lunar surface. Would be grateful for his support.
Is satisfied with WB's work on meteorology. Comments on WB's intention to diagram the moon.
Regarding the gravimetric balance.
Sending him a correction for his article on meteorology relating to the rainfall of Bristol. Intends publishing a book on climate and will send him a copy.
Is grateful for his reply and anything may be quoted from his works. JH's Prelim. Discourse is just the work for the general public and should whet the appetite for more.
Comments on family health; asks AD if he has read James Challis on the topics of the ether and of zodiacal light.
Did JH receive G. F. J. A. von Auwers's catalog of JH's and William Herschel's nebulae?
Sends copy of G. F. J. A. von Auwers's catalog of JH's and William Herschel's nebulae. Observatory has another copy. Notes odd lines seen in 'Refraction Spectra of 11 stars.'
Refraction spectra of six stars exhibit lines corresponding with 'Solar Line F.'
Expect some errors in calculations of positions for JH's catalogue of nebulae. Suggestions on format.
Is sending JH a list of 38 nebulae, their positions reduced to 1830, and described using the terms that JH uses. Comments on some of the difficulties in identifying the nebulae, and includes reference to other astronomer's work.
Sends a final accounting for the calculating work done at the Royal Observatory on JH's nebula catalogue [see JH's 1863-2-7].
Suggestions on improving JB's gravimetric balance, constructed on principle of 'Bifilar suspension.' Refers to 1861 report of similar invention by J. A. Brown and another article on this topic.
Recalls translating Outlines Astr. into Chinese. Wishes to visit JH before returning to China.
Heard of JH's 'domestic affliction.' Postpones visit till next week.