82 Capvt IV. 1

ming from the Boyler, will be all upon the surface ofthe Water contained in the Receiver Pi, where it gra-mstes or presses hard upon it, and still encreases, itsSpring or elasticity, rill it comes to overballance, orexceed the Weight of the Water into the Receiver,which then it will necessarly drive up through thePassage Q, R, CT, into the Force Pipe 8, and atlast discharge it out at the Top,as you see in theFi-gure.

Aster the Very same mannertho alternately, is theReceiver Psfilledwith, and emptied of Water, andby this Means a constant Steam is kept continualiyrunning out at the Top of the Force Pipe 8, and sothje water is raised very easily from the bottom of themine etc. to the place, where it is designed to bedilcharged.

Only I should add, that aster the Engine begins towörk, and the water is rasten into, and bath filled theForce Pipe 8, then it fills the little Lüstern X, and bythat means feeds the Pipe'yy, which he calls the con-deniing Pipe, because Water is conveyed down fromthence, to cool the receivers, when troughly heatedby the Steam, in order to make them Suck (at t is u-foally called) the Water out of the well up into theReceiver.

Also a little above that cistern goes the Pipe E,which conveys water from the Force Pipe into D, thelesser Boyler, which is there placed to replenish thegreat Boyler L r when the Water in it begins to be al-

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