An engraving depicting Transpiration of plants: Stephen Hales' (1677-1761) experiment, designed to measure the rate of transpiration in a Sunflower. From: F. A. Pouchet The Universe, London 1874
An engraving depicting Transpiration of plants: Stephen Hales' (1677-1761) experiment, designed to measure the rate of transpiration in a Sunflower. From: F. A. Pouchet The Universe, London 1874
An engraving depicting Transpiration of plants: Stephen Hales' (1677-1761) experiment, designed to measure the rate of transpiration in a Sunflower. From: F.A. Pouchet The Universe, London 1874
Crédit:
Album / Universal Images Group / Universal History Archive