Page:Philosophical Transactions - Volume 001.djvu/38

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(34)

That Dew newly gathered and filtred through a clean Linnen cloth, though it be not very clear, is of a yellowish Colour, somewhat approaching to that of Urine.

That having endevoured to putrefy it by putting several proportions into Glass bodies with blind heads, and setting them in several heats, as of dung, and gentle baths, he quite failed of his intention: for heat, though never so gentle, did rather clarify, and preserve it sweet, though continued for two months together, then cause any putrefaction or reparation of parts.

That exposing of it to the Sun for a whole Summer in Glasses, that hold about two Gallons, with narrow mouths, that might be stopp'd with Cork, the only considerable alteration, he observed to be produced in it, was, that Store of green stuff (such as is seen in Summer in ditches and standing waters) floated on the top, and, in some places, grew to the sides of the Glass.

That putting four or five Gallons of it into a half Tub, as they call it, of Wood, and (training a Canvas over it, to keep out Dust and Insects, and letting it stand in some shady room for three weeks or a month, it did of it self putrefy and stink exceedingly, and let fall to the bottom a black sediment like Mudd,

That, coming often to see, what Alterations appeared in the putrefaction, He observed, that at the beginning, within twenty four hours, a stimy film floated on the top of the water, which after a while falling to the bottom, there came another such film in its place.

That if Dew were put into a long narrow Vessel of Glass, such as formerly were used for Receivers in distilling of Aqua Fortis, the slime would rise to that height, that He could take it off with a Spoon; and when he had put a pretty quantity of it into a drinking Glass, and that it had stood all night, and the water drained from it, if He had turned it out of his hand, it would stand upright in figure of the Glass, in substance like boyled white Starch, though something more transparent, if his memory (saith he) fail him not.

That having once gotten a pretty quantity of this gelly, and put it into a Glass-body and Blind-head, He set it into a gentle

Bath,