File:Vegetable staticks, or, An account of some statical experiments on the sap in vegetables - being an essay towards a natural history of vegetation - Also, a specimen of an attempt to analyse the air, (14595796387).jpg

Identifier: vegetablestatick00hale (find matches)
Title: Vegetable staticks, or, An account of some statical experiments on the sap in vegetables : being an essay towards a natural history of vegetation : Also, a specimen of an attempt to analyse the air, by a great variety of chymio-statical experiments, which were read at several meetings before the Royal Society
Year: 1727 (1720s)
Authors: Hales, Stephen, 1677-1761 Gribelin, Simon, 1661 or 2-1733, engraver Royal Society (Great Britain) Burndy Library, donor. DSI
Subjects: Plant physiology Air
Publisher: London : Printed for W. and J. Innys ... and T. Woodward ...
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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f moreor Jefs free entrance. I repeated the fame Experiment upon fe-veral roots of trees : The air paffed moftfreely from n to x 5 and when the glafs vef-felyy was full of water, and there was nowater in x, the water paffed at the rate of3 ounces in 5 minutes $ when the upperend n was cemented up, and no water in y y%feme air, tho* not in great plenty, wouldenter the bark at zf, and pafs thro the wa-ter at x. And that there is fome air both in anelaftick and unelaftick ftate, mixd with theearth, (which may well enter the roots withthe nourifhment) I found by putting intothe inverted glafs z z a a full of water(Fig. 35.).fome earth dug up in an alley inthe garden, which after it had flood foak-iiig for feveral days, yielded a little elaftickair, thos the earth was not half diffolved.And in Experiment 6%. we find that a cu-bick inch of earth yielded 43 cubick in-ches of air by diftillation, a good part ofwhich was roufed by the action of the firefrom a fixd to an elaftick ftate. I fixed
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Anahyfis of the Air. 155 I fixed alfo in the fame manner youngtender fibrous roots, with the fmail endupwards at n, and the veftel y y full cff wa-ter 5 then upon pumping large drops of wa-ter followed each other faft, and fell intothe ciftern x7 which had no water in it, CHAP. VI. A fpecimen ofan attempt to analyze the Airby a great variety of chymio-fiatkal Ex-periments, which fhew in how great a pro-portion Air is wrought into the comfoji-tion of animal^ vegetable, and mineralSubftances, and withal how readily it re-fumes its former elaftickftate, when in thedijfolution of thofe Subftances it is dijm-gaged from them. HAVING in the preceding chapterproduced many Experiments, to provethat the Air is freely infpired by.Vegetables3not only at their roots, but alfo thro* fe~veral parts of their trunks and branches,whichAir was moft vifibly feen afcending in greatplenty thro the fap of the Vine, in tubeswhich were affixed to them in the bleedingfeafon > this put me upon making a more3

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