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Tyndall, John in correspondent 
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DCP-LETT-11912

From:
Charles Robert Darwin
To:
John Tyndall
Date:
3 Mar [1878]
Source of text:
DAR 261.8: 29 (EH 88205967)
Summary:

Sends W. K. Clifford subscription.

Has been unwell and hardly able to do anything. Has seen Andrew Clark.

Contributor:
Darwin Correspondence Project

DCP-LETT-11771

From:
Charles Robert Darwin
To:
John Tyndall
Date:
4 Dec [1878]
Source of text:
DAR 261.8: 27 (EH 88205965)
Summary:

Has observed, perhaps erroneously, that certain plants were excited to movement by a prolonged high note on the bassoon. Would now like to try a siren and asks JT to bring one from the Royal Institution.

Contributor:
Darwin Correspondence Project

DCP-LETT-11774

From:
John Tyndall
To:
Charles Robert Darwin
Date:
5 Dec 1878
Source of text:
DAR 106: C22
Summary:

Will provide the siren.

Contributor:
Darwin Correspondence Project
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DCP-LETT-11802

From:
Charles Robert Darwin
To:
John Tyndall
Date:
22 Dec [1878]
Source of text:
DAR 261.8: 28 (EH 88205966)
Summary:

Returns the siren; the plants "ill luck to them, are not sensitive to aerial vibrations". Is ashamed of his blunder.

Contributor:
Darwin Correspondence Project
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