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From Samuel Newington 23 November 1880
Summary
He has proved that heat is generated by the exudation of oxygen from roots, and that there is continuous electrical action from leaves to roots.
Author: | Samuel Newington |
Addressee: | Charles Robert Darwin |
Date: | 23 Nov 1880 |
Classmark: | DAR 172: 37 |
Letter no: | DCP-LETT-12846 |