From W. E. Darwin [3 March 1872]1
Sunday
My dear Father,
I send you the dirt residue from Chalk as Prof. Forbes would probably be able to judge whether this is the result of soakage.2
Parsons weighed them when quite dry, & he is a good chemist; He says B. gets wet from having traces of Chloride of Calcium.3
Your affect | W E D
Footnotes
The date is established by the relationship between this letter and the letter to W. E. Darwin, [1 March 1872]. The first Sunday after 1 March 1872 was 3 March.
William refers to David Forbes; see letter to W. E. Darwin, [1 March 1872].
William refers to Robert Mann Parsons. See letter from W. E. Darwin, [29 February 1872], and letter to W. E. Darwin, [1 March 1872]. B: presumably the samples of dirt residue were labelled A and B. Calcium chloride is hygroscopic.
Summary
Sends dirt residue of chalk samples for David Forbes to examine.
Letter details
- Letter no.
- DCP-LETT-8220
- From
- William Erasmus Darwin
- To
- Charles Robert Darwin
- Sent from
- unstated
- Source of text
- DAR 162: 104
- Physical description
- ALS 1p
Please cite as
Darwin Correspondence Project, “Letter no. 8220,” accessed on 16 May 2022, https://www.darwinproject.ac.uk/letter/?docId=letters/DCP-LETT-8220.xml
Also published in The Correspondence of Charles Darwin, vol. 20
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