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Herschel3335

From:
Edward James Stone
To:
Sir John Herschel
Date:
[26 September 1868]
Source of text:
RS:HS 17.241
Summary:

Reports on examination of observations of 1769 of Venus's transit over the sun's disc. Discusses variations at different sites in 'breaking and formation of the black drop,' and possible causes of error in original observations. Will send copy of paper.

Contributor:
John Herschel Project

SOMERVILLE330

From:
Mary Somerville
To:
John Herschel
Date:
26 Sep 1868
Source of text:
HS 16.377, RS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse

Herschel2686

From:
Mary Somerville
To:
Sir John Herschel
Date:
[26 September 1868]
Source of text:
RS:HS 16.377
Summary:

Congratulations on marriage of JH's daughter [Amelia]. Is writing her autobiography. Interested in solar eclipses, and says more will be known through photography and spectrum analysis.

Contributor:
John Herschel Project

Herschel2607

From:
Sir John Herschel
To:
William Selwyn
Date:
[26 September 1868]
Source of text:
RS:HS 24.228
Summary:

Describes the peculiar pairs of sunspots he has recently witnessed. Thinks the earth affected their appearance somehow. Is using the Julian calendar for dating observations.

Contributor:
John Herschel Project

JHC1235

From:
Sir Joseph Dalton Hooker
To:
Lady Anne Maria Barkly (nee Pratt)
Date:
26 September 1868
Source of text:
JDH/2/3/1 f.267, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project
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