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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effelar, (Fig. 5.)the branch in the vefiel x imbibed 18 oun-ces of water, in 13 hours day and 12 hoursnight; in which time only 6 ounces of wa-ter had pafled thro* the ftem c b (Fig. 4.)which had a column of water 7 feet high,preffing upon it all the time. This again (hews the great power of per-foration ; to draw three times more water,in the fame time, thro* the long flenderparts of the branch r (Fig. 5.) than waspreffed throa larger ftem c b (Fig. 4.) of thefame branch $ but 13 inches long with 7feetpreflure of water upon it, in the tube a b. I tryed in the fame manner another ap-ple-branch, which in 8 hours day imbibed20 ounces, while only 8 ounces pajQTed throthe ftem cb, (Fig. 4,) which had the columnof water on it. The fame I tried with a quince branch,which in 4 hours day imbibed 2 ounces -f--I, while but f ounce paffed thro the ftemcb (Fig. 4.) which had 9 feet weight of wa-ter prefling on it. Note, All thefe (under this Experiment11.) were made the firft day, before the ftem
Text Appearing After Image:
Vegetable Stanch. 43* ftem could be any thing faturate with wa-ter, or the fap-veffels fhrunk fo as to hin-der its paffage. Experiment XII. I cut off from a dwarf Apple-tree e w thetop of the branch /, (Fig. 6.) which was aninch diameter, and fixed to the ftem /, theglafs-tube lb: then I poured water intothe tube, which the branch would imbibe,fo as to drink down 2 or 3 pints in a day,efpecially if I fucked with my mouth atthe top of the tube b7 fo as that a few airbubbles were drawn out of the ftem fo thenthe water was imbibed fo fail, that if I im-mediately fcrewed on the mercurial gage,m ry #, the mercury would be drawn upto r, 12 inches higher than in the otherleg. At another time I poured into the tube/,fixed to a golden Renate-tree, a quart ofhigh redified fpirit of wine, camphorated,which quantity the ftem imbibed in 3 hoursfpace j this killed one half of the tree : this Idid to try if I could give a flavour of cam-phire to the apples which were in great plenty 44 Vegetable Sta

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