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From:
George Biddell Airy
To:
Sir John Herschel
Date:
[31 May 1869]
Source of text:
RS:HS 1.316 (ACCS: RGO 6.257.359)
Summary:

Gives information on the rotational periods of Mars, Jupiter, and Saturn [see JH's 1869-5-30].

Contributor:
John Herschel Project
From:
Sir William Huggins
To:
Sir John Herschel
Date:
[31 May 1869]
Source of text:
RS:HS 10.50
Summary:

Has written to Lieut. John Herschel suggesting points on which solar observations might be valuable. Is pleased he has seen the bright lines. Saw some bright lines in the middle of the sun's disk.

Contributor:
John Herschel Project
From:
William Benson
To:
Sir John Herschel
Date:
[31 May 1869]
Source of text:
RS:HS 5.52
Summary:

Is grateful for the paper and comments. Has referred to JH's papers many times in the lectures he has given. Hopes to produce a cheap book on color.

Contributor:
John Herschel Project