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DCP-LETT-10485

From:
Charles Robert Darwin
To:
John Scott Burdon Sanderson, 1st baronet
Date:
30 Apr [1876]
Source of text:
University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-01)
Summary:

Suggests JSBS’s new machine for observing arterial action be used to test CD’s hypothesis that blushing is caused by thinking intensely about a part of the body and thus releasing the arteries.

Contributor:
Darwin Correspondence Project

DCP-LETT-10485B

From:
Charles Robert Darwin
To:
Francis Darwin
Date:
[30 Apr 1876]
Source of text:
DAR 271.4: 10
Summary:

CD has just had an interview with Edward Frankland, who "almost laughs" at FD’s idea of getting potash and soda out of the soil by treating it with sulphuric acid. Asks FD to send him a soil sample to give to Frankland. Sends enclosures giving address and labels for soil samples.

Contributor:
Darwin Correspondence Project
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