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Herschel3393

From:
Sir John Herschel
To:
Edward Sabine
Date:
[16 June 1864]
Source of text:
RS MC.7.99
Summary:

Gives reasons for and discusses technicalities of supporting pendulum experiments at astronomical and geodesical stations in Indian trigonometrical survey.

Contributor:
John Herschel Project

Herschel5387

From:
Sir John Herschel
To:
Charles Babbage
Date:
[5 June 1864]
Source of text:
RS:HS 2.334
Summary:

Thanking him for his book [probably Passages in the Life of a Philosopher].

Contributor:
John Herschel Project

Herschel5542

From:
Charles T. Beke
To:
Sir John Herschel
Date:
[8 June 1864]
Source of text:
RS:HS 4.32
Summary:

Sending a draft of a memorial for JH to sign.

Contributor:
John Herschel Project

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

Herschel6846

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[1 June 1864]
Source of text:
RS:HS 6.154
Summary:

Agrees with him that J. Müller's drawings do not show the entities around the sunspot clearly. Has nearly completed the apparatus for holding one of JH's sun prisms to his reflector. Hopes to do something with it soon.

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 Submits set of unpublished tables by W. L. Newman [see Newman's 1845-2-18] for calculating radii of such lenses.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

Herschel7806

From:
James Thomas Walker
To:
Sir John Herschel
Date:
[6 June 1864]
Source of text:
RS:HS 18.14
Summary:

Returned from Gloucestershire. Will visit Collingwood on Monday.

Contributor:
John Herschel Project

Herschel8002

From:
Friedrich August Theodor Winnecke
To:
Sir John Herschel
Date:
[6 June 1864]
Source of text:
RS:HS 18.269
Summary:

Became interested in astronomy as a result of reading the papers of William Herschel. FW read these at Hanover in the collection of Caroline Herschel. FW is now trying to arrange a visit to JH.

Contributor:
John Herschel Project

Herschel8003

From:
Friedrich August Theodor Winnecke
To:
Sir John Herschel
Date:
[9 June 1864]
Source of text:
RS:HS 18.270
Summary:

Needs to make some adjustment about FW's visit to JH, as FW was not aware that Sunday trains in Britain run differently from other days.

Contributor:
John Herschel Project

Herschel8004

From:
Friedrich August Theodor Winnecke
To:
Sir John Herschel
Date:
[26 June 1864]
Source of text:
RS:HS 18.271
Summary:

Thanks JH for the day spent with him. FW tells JH about the situation of the grave of Caroline Herschel. Includes silhouette pictures found at Mrs. Groskopf's.

Contributor:
John Herschel Project

Herschel880

From:
Sir John Herschel
To:
the London Times
Date:
[18 June 1864]
Source of text:
JHS 5.1
Summary:

Supports, for scientific and commercial reasons, the retention of the British system of measures, arguing against adoption of the metric or decimal system.

Contributor:
John Herschel Project

JHC1455

From:
Sir Joseph Dalton Hooker
To:
Miles Joseph Berkeley
Date:
22 June 1864
Source of text:
JDH/2/3/2 f.255-256, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project

Tyndall2100

From:
Roderick Murchison
To:
John Tyndall
Date:
June 1 1864
Source of text:
MS JT/1/M/148, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2101

From:
John Tyndall
To:
Annette Roche
Date:
2nd, June, 1864.
Source of text:
MS JT/1/TYP/11/3849, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2102

From:
George Wynne
To:
John Tyndall
Date:
4 June 1864
Source of text:
MS JT/1/W/96; MS JT/1/TYP/5/1861, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2103

From:
John Tyndall
To:
Lyon Playfair
Date:
7th June
Source of text:
1--671, Playfair Letters
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2104

From:
John Tyndall
To:
Capel Henry Berger
Date:
11th June 1864
Source of text:
MS.Add.5958:f.24, CUL
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2105

From:
Juliet Pollock
To:
John Tyndall
Date:
June 11th 1864
Source of text:
MS JT/1/P/171, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2106

From:
John Tyndall
To:
Richard Dawes
Date:
Monday
Source of text:
MS JT/1/TYP/1/318, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2107

From:
John Tyndall
To:
Juliet Pollock
Date:
12th June 1864
Source of text:
MS JT/1/T/1141; MS JT/1/TYP/6/2010, RI
Summary:

No summary available.

Contributor:
Tyndall Project
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