RECORD: Darwin, C. R. n.d. 1 oz of water weighs 437.5 gr. CUL-DAR56.27. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 2.2023. 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).
[27]
1 oz of water weighs 437.5 gr.
1 gr of nitrate of ammonia was added to 1 30 oz of water
30 minims (ie 1/16th of an oz) of this solution was added to 240 minims (& to 960 minims) of pure water
Now by weight what is proportion of nitrate of ammonia in the latter solution?
1 / 31 x 90 = 1 / 790
[27]
[calculations not transcribed]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 14 May, 2023