Search: letter in document-type 
1870-1879 in date 
Herschel, John in correspondent 
Hind, John R. in correspondent 
Sorted by:

Showing 13 of 3 items

From:
John R. Hind
To:
Sir John Herschel
Date:
[12 October 1870]
Source of text:
RS:HS 9.398
Summary:

Has calculated the ecliptic of Thucydides. Comments on this and the reading given by E. W. Hartwig. Regarding the 7 eclipses of the sun during the past 30 years. G. Bishop's assistant (W. Plummer) is investigating the orbit of the great comet of 1861. Nautical Almanac for 1874 delayed due to extra work on the transit of Venus.

Contributor:
John Herschel Project
From:
John R. Hind
To:
Sir John Herschel
Date:
[9 February 1871]
Source of text:
RS:HS 9.399
Summary:

Forgot to call his attention to the column regarding the Julian period in the Nautical Almanac. Something strange about the neighborhood of R. Leporis. He has no doubt seen the table of Julian dates in the Connaissance des temps.

Contributor:
John Herschel Project
From:
John R. Hind
To:
Sir John Herschel
Date:
[28 February 1871]
Source of text:
RS:HS 9.400
Summary:

Sends calculation of the Transits of Venus in 2004 and 2012. Cannot find any record of new double stars. Is in doubt about R. Leporis. Quotes an historical incident regarding an eclipse of the sun and the removal of Mahomet's pulpit. Did F. X. von Zach make his calculations himself?

Contributor:
John Herschel Project
Document type
Transcription available