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].

  • Jan Ingenhousz
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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    [ xxiv ] particular accident, as they had by no means been uniform; nay, had even been often contradictory, as he himfelf candidly owns (fee yol. L p. 91, &c. of Dr. Prieflley’s work / ' i on the fubjeCt of air, and his laft work, p. 296.); and as Mr. Sheele had conftantly obferved a contrary effeCt from beans. Dr. Prieftley acknowledges, p. 299. that, by repeating (1778) again his experiments, they proved to he unfavourable to his former by- potbs/is. ci For,” fays he, (( whe- ther I made the experiments with 44 air injured by refpiration, the 44 burning of candles, or any other ‘c phlogjftic procefs, it did not grow ££ better but worfe ; and the longer fC the plants continued in the air, 44 the more pblogifticated it was.” He proceeds thus farther : 44 I have 4? had
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