3 Items
Page: 1
From J. S. Burdon Sanderson 28 July [1873]
Summary
A hasty answer to CD’s letter [8987] of 25 July. Mentions Dr Osler’s observations on behaviour of colourless blood corpuscles in solutions of sodium and potassium salts of same strength.
Author: | John Scott Burdon Sanderson, 1st baronet |
Addressee: | Charles Robert Darwin |
Date: | 28 July [1873] |
Classmark: | DAR 58.1: 28–9 |
Letter no: | DCP-LETT-8988 |
Matches: 1 hit
- … Burdon Sanderson, 25 July 1873 . See letter to J. S. Burdon Sanderson, 25 July 1873 . William Osler was a postgraduate student in Burdon Sanderson’s laboratory at University College, London; his experiments ultimately led to the description of platelet cells in human blood ( Cooper 2005 ). For details of Osler’s experiments, see Osler and Schäfer 1873 and Osler 1874 . …
To J. S. Burdon Sanderson 9 September [1873]
Summary
Pleased JSBS has decided to work on Drosera; sends plants. Does not know whether thermo-electric pile could detect temperature change when leaves close.
CD’s experiment with very weak hydrochloric acid repeated with success: the plants digest albumen more quickly.
Author: | Charles Robert Darwin |
Addressee: | John Scott Burdon Sanderson, 1st baronet |
Date: | 9 Sept [1873] |
Classmark: | University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-14) |
Letter no: | DCP-LETT-9047 |
To J. S. Burdon Sanderson 15 August 1873
Summary
Thinks it would be worth while testing for electrical changes in the leaves of insectivorous plants.
Author: | Charles Robert Darwin |
Addressee: | John Scott Burdon Sanderson, 1st baronet |
Date: | 15 Aug 1873 |
Classmark: | University of British Columbia Library, Rare Books and Special Collections (Darwin - Burdon Sanderson letters RBSC-ARC-1731-1-13) |
Letter no: | DCP-LETT-9013 |
Matches: 1 hit
- … letter from J. S. Burdon Sanderson, 13 August [1873] and n. 7. Burdon Sanderson did not experiment with a thermopile (a device that converts thermal energy into electrical), but used a galvanometer (a device for detecting and measuring electric current) to record the nerve-like response of a leaf of Dionaea when stimulated with an induction coil (see Burdon Sanderson 1874 , …
Document type
letter | (3) |
Author
Darwin, C. R. | (2) |
Burdon Sanderson, J. S. | (1) |
Addressee
Burdon Sanderson, J. S. | (2) |
Darwin, C. R. | (1) |
Correspondent
Burdon Sanderson, J. S. | (3) |
Darwin, C. R. | (3) |