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From:
John Tyndall
To:
Charles Robert Darwin
Date:
23 Feb [1871]
Source of text:
DAR 106: C5–6
Summary:

Has devised a respirator for firemen by moistening cotton wool with glycerine and adding charcoal. JT suggests the nose with its hairs and mucus is a respirator that would give protection against diseases caused by floating particles. The presence of hair and mucus is thus explained by CD’s theory.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
[27 Feb 1871]
Source of text:
DAR 261.8: 7 (EH 88205945)
Summary:

Thinks JT’s discovery of a glycerine respirator is an interesting practical discovery. CD has been wondering about the hairs in our nostrils, but doubts that JT has explained their function, since there are hardly enough.

Will ask W. Ogle to observe hairs in nostrils of different races.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
1 Mar [1871]
Source of text:
DAR 261.8: 8 (EH 88205946)
Summary:

Ogle will keep JT’s suggestion in mind in observing less hairy races of man and the lower animals.

Asks JT whether he can help Ogle on a troublesome point on the colour of tissues with olfactory nerves, and the relation of colour to the absorption of odours. Does JT’s respirator deprive odorous substances of their smell?

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
1 Mar [1871]
Source of text:
DAR 261.8: 9 (EH 88205947)
Summary:

Ogle is unacquainted with JT; would be proud and pleased to call on him. CD likes what little he has seen of him.

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
1 Mar [1871]
Source of text:
DAR 106: C7
Summary:

JT suggests that Ogle call upon him so that they can arrange experiments suitable for his purpose.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
7 Mar [1871]
Source of text:
DAR 261.8: 10 (EH 88205948)
Summary:

Ogle wants very much to meet JT.

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
8 Mar [1871]
Source of text:
DAR 261.8: 11 (EH 88205949)
Summary:

Thanks JT for his kindness to Ogle.

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
8 Mar [1871]
Source of text:
DAR 106: C8
Summary:

Has seen Ogle. His subject [olfactory nerve tissue and absorption of odours] has often occupied JT’s attention.

Contributor:
Darwin Correspondence Project
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From:
John Tyndall
To:
Charles Robert Darwin
Date:
8 June [1872]
Source of text:
DAR 106: C9
Summary:

Sends CD a copy of the memorial supporting Hooker’s case against A. S. Ayrton’s interference in the administration of Kew Gardens.

Contributor:
Darwin Correspondence Project
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From:
George Howard Darwin
To:
John Tyndall
Date:
[7 Apr 1873]
Source of text:
DAR 261.8: 12 (EH 88205950)
Summary:

CD particularly wishes to see JT "On business not connected with himself" [the fund for Huxley’s holiday]. Asks whether CD may call that afternoon. GHD adds postscript saying CD very fatigued. He hopes JT can come to see CD instead, but he should not mention that GHD suggested it.

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
8 Apr [1873]
Source of text:
DAR 106: C10
Summary:

William Spottiswoode was not at home, but JT sought out Herbert Spencer. Spencer will come with JT to see CD [about the Huxley fund].

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
8 Apr [1873]
Source of text:
DAR 261.8: 13 (EH 88205951)
Summary:

CD will write to William Spottiswoode about the fund for Huxley. CD is raising his subscription to £300. "We have done a good day’s work … [it] gives me a higher opinion of human nature than I had before, though I am not one of those who think lowly of mankind."

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
9 Apr [1873]
Source of text:
DAR 106: C11
Summary:

Is convinced that the "brotherly spirit of the transaction" will cause Huxley not to raise objections.

Contributor:
Darwin Correspondence Project
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From:
John Tyndall
To:
Charles Robert Darwin
Date:
10 Apr 1873
Source of text:
DAR 106: C12
Summary:

W. G. Armstrong and T. H. Farrer have both contributed [to the Huxley fund].

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
11 Apr 1873
Source of text:
DAR 261.8: 14 (EH 88205952)
Summary:

Sends JT the list and amounts subscribed for Huxley. It will probably amount to £1800. He will write to Huxley and use every argument he can to make him accept.

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
16 Apr 1873
Source of text:
DAR 106: C13–14
Summary:

It is Huxley’s "duty to do what we wish him to do – his duty to his wife and children, his duty to us and to the world". Shares CD’s wish that Mrs [Henry] L[yell?] had not subscribed – it suggests the idea of an effort.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
18 Apr [1873]
Source of text:
DAR 261.8: 15 (EH 88205953)
Summary:

The Huxley fund amounts to £1955. CD trembles about THH’s answer.

Contributor:
Darwin Correspondence Project
From:
John Tyndall
To:
Charles Robert Darwin
Date:
21 Apr 1873
Source of text:
DAR 106: C15
Summary:

[Sir Joseph?] Whitworth’s contribution brings total to over £2000. Wishes CD could be persuaded to come to lunch with Huxley and Emerson.

Contributor:
Darwin Correspondence Project
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From:
Charles Robert Darwin
To:
John Tyndall
Date:
25 Apr [1873]
Source of text:
DAR 261.8: 16 (EH 88205954)
Summary:

Sends Huxley’s "charming letter". Asks whether it should be sent to Lady Millicent Jones. CD is "so happy about the whole affair".

Contributor:
Darwin Correspondence Project
From:
Charles Robert Darwin
To:
John Tyndall
Date:
25 Apr [1873]
Source of text:
DAR 261.8: 17 (EH 88205955)
Summary:

Sends another copy [of Huxley’s letter of thanks for holiday fund].

Contributor:
Darwin Correspondence Project