Experiments upon vegetables: discovering their great power of purifying the common air in the sun-shine, and of injuring it in the shade and at night. To which is joined, a new method of examining the accurate degree of salubrity of the atmosphere
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Abbe Fontana absorbed acid air bubbles air fouled air obtained air oozing air was obtained animal atmo atmosphere bles brass candle cated air column of air common air degree of salubrity dephlo error examined Experiments Jhewing exposed fame fixed air flame flowers foul air found the air French beans full of water gisticated air glass tube green matter heat hyoscyamus inflammable air jar full kind of air leaves of plants less manner measures of nitrous morning mustard plants Nasturtium nature night nitrous air occupied nitrous test observed open air operation ounce-measures phlogisticated phlogiston placed plants yield Priestley pump water pump-water purity quan quantity of air quart jar render respiration result roots SECTION shewing slider sorbed sub-divisions substance sun-shine surface tending to investigate tion tity tree trous air turate vegetable vine walnut-leaves worse than common