Search: Herschel, John in correspondent 
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Herschel, John in addressee 
1840-1849::1846::02 in date 
Smyth, William Henry in author 
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From:
William Henry Smyth
To:
Sir John Herschel
Date:
[19 February 1846]
Source of text:
RS:HS 16.286
Summary:

Asks JH's advice on the purchase of the lunar model. Anxious to see JH's new method of calculating double star orbits.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[23 February 1846]
Source of text:
RS:HS 16.287
Summary:

Double star orbits not ready; R.A.S. waiting for JH's new calculating method. Reads accounts of Biela's Comet. Describes Edinburgh Observatory in detail.

Contributor:
John Herschel Project