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.

    360/402 (page 286)
    ' - t *86 ] 145. The common air ufed for this experiment proved to be of fuch a degree of goodnefs, that in fix different trials, made one after another in the expeditious manner explained, the two meafures occu¬ pied 1.06^ exactly; whereas the fame common air with the fame n-i- / v trous air, after Handing an hour in the five different veffels, gave the very different refults expreffed in p. 287. By repeating the fame experi¬ ments at different time's, the fame refult was obtained as to the differ¬ ence of the remaining bulk of airs kept Handing in veffels of different diameters; but there was common¬ ly a difference of fome fubdivi- fions even in the experiments made with the fame glaffes. I The