Search: 1860-1869::1864::08 in date 
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Herschel7742

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

Herschel8946

From:
Sir John Herschel
To:
the R.A.S.
Date:
[8 August 1864]
Source of text:
R.A.S.M.N., 24 (1864), 220-1
Summary:

Describes a revolving eyepiece that could protect the eye from excess light in solar observation.

Contributor:
John Herschel Project

Herschel904

From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[6 August 1864]
Source of text:
JHS 5.24
Summary:

About family finances, JH's health, and activities around the house.

Contributor:
John Herschel Project

Herschel905

From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[10 August 1864]
Source of text:
JHS 5.25
Summary:

Some friction has arisen between JH and MH over finances, and JH apologizes; JH is describing the newly-acquired horse, and reports on mail received and the activities of the children.

Contributor:
John Herschel Project

Tyndall2125

From:
Michael Faraday
To:
John Tyndall
Date:
1 Aug. 1864
Source of text:
6:4487, Faraday Correspondence
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2126

From:
Juliet Pollock
To:
John Tyndall
Date:
August 2. 1864
Source of text:
MS JT/1/P/172; MS JT/1/TYP/6/2013-4, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2127

From:
William Huber
To:
John Tyndall
Date:
3 Aout 1864
Source of text:
MS JT/1/H/509, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2128

From:
Jean François Léonard Alexandre de Colnet d’Huart
To:
John Tyndall
Date:
le 9 Aout 1864
Source of text:
MS JT/1/D/136, RI
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2129

From:
Johann Bohn
To:
John Tyndall
Date:
Undated
Source of text:
28 (1864), pp. 311-4, Phil. Mag.
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2130

From:
John Tyndall
To:
Ellen Lubbock
Date:
Friday 18th Aug. 1864
Source of text:
Add MS 63092, ff. 212-3, BL
Summary:

No summary available.

Contributor:
Tyndall Project

Tyndall2131

From:
John Tyndall
To:
Theodore Maxwell
Date:
31st Aug. 1864
Source of text:
Letter 7, American Philosophical Society
Summary:

No summary available.

Contributor:
Tyndall Project
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