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From:
Charles Robert Darwin
To:
John Stevens Henslow
Date:
18 Apr 1835
Source of text:
Royal Botanic Gardens, Kew (Henslow letters: 26 DAR/1/1/26)
Summary:

Has just returned from crossing the Cordilleras. Geological observations of formations representing great epochs of violence which broke up the earth’s crust. Shells at over 12000 feet. Silicified trees in sandstone formations at great heights. Red snow and viviparous lizards. Botanical specimens.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Susan Elizabeth Darwin
Date:
23 Apr 1835
Source of text:
DAR 223
Summary:

His trip across the Andes and back was his most successful excursion: can clearly demonstate that the western part of the double line of mountains is much older, with fossil shells at 12000ft; the eastern line may be as modern as the Patagonian plains. If proved, this is an important fact in the theory of the formation of the world. Has found petrified trees.

Contributor:
Darwin Correspondence Project
From:
Ada Byron
To:
Mary Somerville
Date:
4 Apr 1835
Source of text:
MSBY 2 / 35, Dep. c. 367, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
From:
Moulien
To:
Mary Somerville
Date:
26 Apr 1835
Source of text:
MSM 3 / 193, Dep. c. 371, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
From:
Francois Arago
To:
Mary Somerville
Date:
8 Apr 1835
Source of text:
MSA 1 / 220, Dep. c. 369, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
From:
Henry Ingersoll Bowditch
To:
Mary Somerville
Date:
16 Apr 1835
Source of text:
MSB 12 / 376, Dep. c. 369, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
Text Online
From:
William Reid
To:
Michael Faraday
Date:
April 1835
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Lord Ashley
To:
Robert Peel
Date:
4 April 1835
Source of text:
BL add MS 40419, f.79
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
William Reid
To:
Michael Faraday
Date:
11 April 1835
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
John Robison
To:
Michael Faraday
Date:
20 April 1835
Source of text:
RS MS 241, f.55
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
James South
To:
Michael Faraday
Date:
20 April 1835
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Macedonio Melloni
To:
Michael Faraday
Date:
22 April 1835
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Michael Faraday
To:
James South
Date:
22 April 1835
Source of text:
IEE MS SC 3
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Michael Faraday
To:
Thomas Newborn Robert Morson
Date:
27 April 1835
Source of text:
NYPL, Lee Cohns Memorial Collection
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Michael Faraday
To:
James Richard Clark
Date:
27 April 1835
Source of text:
Parliamentary Papers, 1835 <(367)> xlviii, p.23
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
J. S. Henslow
To:
J. C. Dale
Date:
2 April 1835
Source of text:
Oxford University Museum of Natural History Archive Collections, James Charles Dale Collection
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Basil Hall
To:
Sir John Herschel
Date:
[24 April 1835]
Source of text:
RS:HS 9.179
Summary:

Found his recent stay at the remote German castle very restful. Gives details of a large flight of crows and compares it to nebulae. Cure for sore throats. Hopes the South Easters do not disturb him. Intends spending the winter in Paris. Hopes that JH is preparing a two volume work on his scientific experiences.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
[13 April 1835]
Source of text:
RS:HS 12.63
Summary:

Has arranged with Lady Herschel for Sir John to spend a night at the Observatory. Come early; then he can reverse the transit instrument. Is not satisfied with the performance of the transit clock. Intends to clean it. Is ready to adopt JH's suggestions for measuring the tides. Curious that JH and [T. G.?] Taylor should suggest similar plans for measuring the divisions of a mural circle.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[14 April 1835]
Source of text:
RS:HS 21.174
Summary:

About the difficulty of measuring high and low tide with the instruments available to TM; offers the design of an instrument that would measure the mid-point between high and low tides.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Peter Stewart
Date:
[26 April 1835]
Source of text:
TxU:H/L-0395; Reel 1054
Summary:

Arranges sale of stocks and transfer of funds through Drummond's Bank for use by J. C. Stewart and John Stewart.

Contributor:
John Herschel Project