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was as Regularly shap’d, as I couldget it blown; being in some placesmuch broader, and in some much nar-' rower then the lower Orifice of it.

And these two last nansd pipes had, their upper ends so inserted into holes,made fit for them in abroad piece ofCork; that, when they were immers’d,- they made not right Angles, but veryoblique ones, with the Horizontal Sur-face of the Liquor. The other Glasslikewise, which consisted of a greatBubble, and two opposite pipes, wasfastened to the fame Cork, which ha-ving before hand been made fit for awide mouth’d glass of a good depth,and half fiii’d with water, was thrustas a stopple into the mouth of the saidglass, so that the water ascended a pret-ty way into each of the three pipes bytheir lower Orifices, which as well asthe upper we left open; Then a goodquantity of oyleof Turpentine beingK pourd