Search: Herschel, John in author 
1830-1839::1837::01 in date 
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Herschel12121

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1 February 1837]
Source of text:
RS:HS 21.217
Summary:

Comments on disagreements in stellar observations and on sun spot activity; and requests observations of a specific star.

Contributor:
John Herschel Project

Herschel3984

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[10 January 1837]
Source of text:
TxU:H/L-0582.1.a; Reel 1058
Summary:

Reports that he viewed Halley's Comet from 1836-1-25 to 1836-5-10. Now studying sunspots and solar radiation. Comments that the sun has more spots than JH previously thought. Has been busy during the December solstice determining the constant of solar radiation.

Contributor:
John Herschel Project

Herschel7411

From:
Sir John Herschel
To:
Unidentified
Date:
[1837 or earlier]
Source of text:
RAS:JH Archive 6/2.59 verso; Reel 8
Summary:

Comments on letter received. Regrets replies about 'the Muriate of Chrome.'

Contributor:
John Herschel Project

Herschel8596

From:
Sir John Herschel
To:
Johann Franz Encke
Date:
[17 January 1837]
Source of text:
AdWDDR Encke 49 (C: RS:HS 25.5.5)
Summary:

Tried unsuccessfully to observe Encke's Comet; succeeded in observing Halley's Comet, which JH discusses. Mentions JH's graphical method of treating orbits of double stars, JH's plans to return to England, moon maps, and sunspots.

Contributor:
John Herschel Project

Herschel8810

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[29 January 1837]
Source of text:
Science Museum Talbt 1/8
Summary:

Is sending WT some botanical specimens through Andrew Smith, whose scientific abilities JH praises. Asks WT to assist Smith in England. Encourages WT's work in mathematics and in 'photology.' Reports on JH's astronomical observations and theorizes about sunspots.

Contributor:
John Herschel Project

Herschel9402

From:
Sir John Herschel
To:
John Fairbairn
Date:
[1837 late or 1838
Source of text:
RS:HS 7.155 (C: RS:HS 35.13.3)
Summary:

Has been impressed by the new governor and thinks the colony will benefit from his prudent judgment.

Contributor:
John Herschel Project
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