Volume 1

Experiments upon vegetables, discovering their great power of purifying the common air in the sun-shine, and of injuring it ... at night. To which is joined, a new method of examining the ... salubrity of the atmosphere / [Jan Ingenhousz].

  • Ingenhousz, Jan, 1730-1799
Date:
1779
Catalogue details

Licence: Public Domain Mark

Credit: Experiments upon vegetables, discovering their great power of purifying the common air in the sun-shine, and of injuring it ... at night. To which is joined, a new method of examining the ... salubrity of the atmosphere / [Jan Ingenhousz]. Source: Wellcome Collection.

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    i SECTION XXL 1Conjectures why fame waters, as dif- tilled> boiled, and fome other wa¬ tersdo not promote, but impede the operation of the plants in yield¬ ing dephlogifticated air. A S I think I have proved clear- ]y enough that the dephlogifticated air yielded by plants is air elaborated by a kind of vital motion, carried on in the fubftance of the leaves, and kept up by the influence of the light of the fun, it fee ms that no more is required to collect this air than to prevent its diffufing itfelf through the common mafs of the atmofphere. Water feems the moft appropriated body for fuch an im tention, for it is not hurtful to plants. G 2 Many