Search: Herschel, John in author 
1860-1869::1864::08::18 in date 
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From:
Sir John Herschel
To:
James Calder Stewart from Isabella Herschel
Date:
[18] August 1864
Source of text:
TxU:H/L-0457; Reel 1055
Summary:

News of Herschel family. JH asks for information about 'India Stock' [investments].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Richard Christopher Carrington
Date:
[18 August 1864]
Source of text:
RAS:JH Archive 13/2.4; Reel 10
Summary:

If RC's formulas for sunspots are correct, then 'trade-wind theory' is challenged and sun's photosphere may behave as envelope circulating around sun according to laws of planetary motion. Questions formula relating to sunspot velocity.

Contributor:
John Herschel Project