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Herschel5543

From:
Charles T. Beke
To:
Sir John Herschel
Date:
[29 June 1864]
Source of text:
RS:HS 4.33
Summary:

Sending the memorial for JH to sign.

Contributor:
John Herschel Project

Herschel10276

From:
James Haig
To:
Sir John Herschel
Date:
[29 June 1864]
Source of text:
RS:HS 9.159
Summary:

Sending another copy of a new edition of one of his books. Thinks he stated too strongly his objections to other people's work in his previous edition. Hopes JH will find time to read it.

Contributor:
John Herschel Project

Herschel7782

From:
Sir John Herschel
To:
the R.A.S.
Date:
[29 June 1864]
Source of text:
RAS: MSS Add.29 [suppl.]
Summary:

Learned that R.A.S. plans to use aplanatic lenses for solar studies. Submits set of unpublished tables by W. L. Newman [see Newman's 1845-2-18] for calculating radii of such lenses. Refers to work of this kind by Josef Fraunhofer, [G. P.] Bond, K. A. Steinheil, and C. F. Gauss.

Contributor:
John Herschel Project
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