RECORD: Darwin, C. R. n.d. [calculations concerning solution strengths]. CUL-DAR56.120. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Text prepared and edited by John van Wyhe. 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).


120

480 [x] 12 [=] 5760 minim g

60   36

 

 

5760 [÷] 15 [=] 384    384 [x] 15 [=] 5760

so each got 1/384 of grain

348 wrong [x] 167 [=] 58,116

1/58,116 of a grain

Right m.

120v

384 [x] 167 [=] 64128

 

 

480 [x] 12 [=] 5760 [x] 2 [=] 11520 1/2 minim [x] 2 Hairs [=] 23,040

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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 29 November, 2025