Let there bee an even streight barrell of brasse of what length and bignesse you please: let the bottom of it be open, and let the top be closed, but so that it be hollow on the outside like a basin: in the midst whereof let there bee a straight pipe erected, open at both ends, also let there be another short pipe at the side of it, which let bee even with the top of the basin on the outside, but stand a little from it on the side. Having thus prepared the barrell, fit a good thick board unto it, so that it may slip easily up and down from the top of the barrell unto the bottom, nayle a lether about the edges of it, and another upon the top of it: on the underside of it let there be fastned a good stiffe, but flexible spring of steele, which may thrust the board from the bottom to the top of the barrell: let the foot of this spring rest upon a barre fastned acros the bottom of the barrell; let this board also have tied at the middle a little rope of length sufficient. When you use it, bore a little hole in the table that you set it on, to put the rope thorow, and pull the rope down, which will contract the spring, and with it draw down the board: then poure in water at the basin untill the vessell be full: Note then, as you let slack the rope, the water will spirt out of the pipe, in the middle, and as you pull it straight, the water will run into the vessell againe. You may make birds, or divers images at the top of the pipe, out of which the water may break.

Another manner of forcing water, whereby the water of any spring may be forced unto the top of a hill.

Let there be two hollow posts, with a succur at the bottom of each, also a succur nigh the top of each: let there be fastned unto both these posts a strong peece of timber, having, as it were, a beame or scale pinned in it, and having two handles, at each end one. In the tops of both these hollow posts fasten two brasse barrels, made very even and smooth within, unto these two barrels let there be fitted two forcers, lethered according to art, at the tops of these forcers must be fastned two yrons, which must bee linked unto the aforesaid beam; from each post below towards the end of the barrels, let there bee two leaden pipes, which afterward meet in one, to conduct the water up to the place desired, which if it bee very high, there will be need of some succurs to catch the water as it cometh.

The description of an Engin to force water up to a high place: very usefull for to quench fire amongst buildings.

Let there be a brasse barrell provided, having two succurs in the bottom of it: let it also have a good large pipe going up one side of it with a succur nigh unto the top of it, and above the succur a hollow round ball, having a pipe at the top of it made to screw another pipe upon it, to direct the water to any place. Then fit a forcer unto the barrell with a handle fastned unto the top; at the upper end of this forcer drive a strong screw, and at the lower end a screw nut, at the bottom of the barrell fasten a screw, and at the barre that goeth crosse the top of the barrell, let there be another screw nut: put them all in order, and fasten the whole to a good strong frame, that it may stand steddy, and it is done. When you use it, either place it in the water, or over a kennell, and drive the water up to it, and by moving the handle to and fro, it will cast the water with mighty force up to any place you direct it.

Experiments of producing sounds by ayer and water.