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Frankland, Edward in addressee 
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From:
John Tyndall
To:
Edward Frankland
Date:
20th Jan. 1855
Source of text:
Frankland, 190, JRL
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
Edward Frankland
Date:
28th Feb. 1855
Source of text:
Frankland, 191, JRL
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
Edward Frankland
Date:
31st March 1855
Source of text:
Frankland, 192, JRL
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
Edward Frankland
Date:
Undated
Source of text:
Frankland, 202, JRL
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
Edward Frankland
Date:
1st Aug 1856
Source of text:
Frankland, 245, JRL
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
Edward Frankland
Date:
4th Aug 1856
Source of text:
Frankland, 246, JRL
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
Edward Frankland
Date:
Saturday night
Source of text:
Frankland, 247, JRL
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
Edward Frankland
Date:
Monday
Source of text:
Frankland, 248, JRL
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
Edward Frankland
Date:
8th, Dec, 1856
Source of text:
MS JT/1/TYP/12/3968, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
John Tyndall
To:
Edward Frankland
Date:
Tuesday night
Source of text:
MS JT/1/TYP/12/3970, RI
Summary:

No summary available.

Contributor:
Tyndall Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
12 July 1873
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Seeks the assistance of a professional chemist in securing a qualitative analysis of the fluid secreted by the glands of Drosera which have the power of dissolving animal matter out of the bodies of insects. [See 8979.]

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
16 July [1873]
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Thanks EF for his offer of assistance. Could the viscid secretions [in glands of Drosera] contain pepsin? Will the sodium carbonate render the testing of organic matter difficult? [See 8979.] Will send the fluid in a fortnight.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
18 July [1873]
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Agrees to delay sending the fluid [from the glands of Drosera] until early October. Will try suggestion about pepsin. [See 8981.]

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
21 Sept [1873]
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Although CD’s experiments with pepsin were unsuccessful, he observed that the glands [of Drosera] as far as acid is concerned act just as the stomach of a mammal. Further experiments detailed. The secretion must contain something analogous to pepsin. [See 9062.]

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
23 Sept 1873
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Will follow EF’s suggestions as to securing purity of fibrin.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
29 Sept 1873
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Is sending washings of 445 leaves in EF’s distilled water with 20 grains of carbonate of soda. Details of the difficulties and complications involved.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
7 Oct [1873]
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Requests a piece of the most sensitive litmus paper in order to test the secretions of minute hairs of plants which catch minute flies. [See 9098.]

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
13 Oct 1873
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Finds the negative information sent by EF of great interest [see 9094].

More on his own experiments and the perplexing results when using the sensitive litmus paper.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
18 Oct [1873]
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Apologises for his ignorance in interpreting the results secured in his testing with blue litmus paper.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
Edward Frankland
Date:
[10 Nov 1873]
Source of text:
The John Rylands Library, The University of Manchester
Summary:

Requests permission to call upon EF either Friday or Saturday morning [14 or 15 November].

Contributor:
Darwin Correspondence Project