RECORD: Darwin, C. R. [ny].05.20-23. 8h 10 Water Plate. CUL-DAR60.1.85. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 12.2022. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volumes CUL-DAR 54-61 contain material for Darwin's book Insectivorous plants (1875).
[85]
May 20th 8º 10' Water Plate
5 sticks (most 3 of them tried 48º ago with water, with drops on disc of Franklands Measure water 1/21 of Sewage
9º 30 doubtful effect on any
11º 45 very doubtful
4º 30' very doubtfully affected.
(May 21st 8º 10' no action.)
― 5º 30' do
May 22d 7º 45' no trace of action
May 22d 7º 50' put 4 leaves in 30 minims in watch-glasses of the above — ie distilled water with 1/21' of its bulk of sewage.— I asked Frankland to make it so weak that none but a chemist wd detect it.
(1) 0 become more inflected in a few m' 1º do —May 23' 7º 30; do
22d
(9) 10 discals & sub-marg a ring May 23' 7º 30 do
(11) 1º O May 23d. 7º 30 slight ring on disc
(12) 1º discals & sub-marg a ring. —May 23d 7º. 30 do.
May 23d. 7º 30 Hardly more effect than sometimes or often form water
(May 24 8º A m no clear effect perhaps rather more inflection than form water)
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 12 February, 2023