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I tried to answer this intention, by using for the funnel awooden trunk, with two of its sides sloping downwards soas to leave a long narrow aperture between them : inthe middle of this aperture, and parallel to the inclinedsides, was placed a wedge of the same slope with the sidesof the funnel, that the water might pass out in two sheetsdirected towards one another.

The funnel was at top about eight inches square : itswidth.at bottom seven inches and eight tenths by one inchand nine tenths. The wedge, dropt into it, entirelystopt the lower aperture, and had its thin edge hang-ing down considerably below : flips of wood of differentthicknesses fastened -on the wedge occasionally, two on eachside, prevented its falling down so far, and procured spacesof different widths between it and the sides of the funnel; sothat the water could be reduced at pleasure into two sheets,seven inches and eight tenths wide, and from less than aquarter of an inch to three quarters ofan inch thick; the par-tition in the middle reaching in all cafes lower down thanthat which confined them on the sides, that they might notunite into one upon their discharge from the throat. Alongthe sloping sides of the funnel were two air pipes, of th®fame breadth with them, and about an inch and a half wide;so that at the bottom there were three oblong rectangularapertures, the middle one, with a wedge in it, for the water,and the two lateral ones for air: the outsides were con-tinued about seven inches and a half below these aper-tures, so as to form a large cavity for the water tospread in.

The funnel, above the throat, was somewhat more thanthree feet high : on the top was fitted a wooden pipe, nearlyof the same width with it, and four feet eight inches high.The top of this pipe passed up through a rectangularcistern, nearly 1 63 inches in length and 96 in width, and

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