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 . e (mall end of the bolthead, I invertedit, and poured in water to z. Then fromanother veffel (in which I had a knownquantity of water by weight) I poured inwater to/ 5 fo the quantity of water whichwas wanting, upon weighing this veffel a-gain, was equal to the bulk of the new ge-nerate
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 . e (mall end of the bolthead, I invertedit, and poured in water to z. Then fromanother veffel (in which I had a knownquantity of water by weight) I poured inwater to/ 5 fo the quantity of water whichwas wanting, upon weighing this veffel a-gain, was equal to the bulk of the new ge-nerated Air. I chofe to meafure the quanti-ties of Air, and the matter from whence itarofe, by one common meafure of cubickinches, eftimated from the fpecifick gravi-ties of the feveral fubftances, that therebythe proportion of one to the other mightthe more readily be feen. I made ufe of the following means tomeaiiire the great quantities of Air, whichwere either railed and generated, or abforbedby the fermentation arifing from the mix-ture of variety of folid and fluid fubftan-ces? whereby I could eafily eftimate the fur-prifing effe&s of fermentation on the air, put into the boithead b (Fig. 34.) theingredients, and then run the long neck ofthe bolthead into the deep cylindrical glafs ay>2 and. Anafyfis of the Ait\ 161 and inclined the inverted glafs ay, andbolthead almoft horizontally in a large vef-fel of water, that the water might run in-to the glafs a y 5 when it was almoft up toa the top of the bolthead, I then irnmerfedthe bottom of the bolthead, and lower partv of the cylindrical glafs under water, rai- I at the fame time the end a uppermofhThen before I took them out of the water*I fet the bolthead and lower part of the cy-lindrical glafs a j into the earthen veflel x xfull of water, and having lifted all out ofthe great veifel of water, I marked the fur-face z of the water in the glafs ay. If the ingredients in the bolthead^ uponfermenting generated Air, then th
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