The First Steam-Boat

( ) contained ; imagine then the Continuation of the Cylinder removed, or the Water frozen therein to "Thaw, the frejfure of the Side- loater would lye againft the Thud Cylinder it felf, ’which being in all parts of equal Weight tend Moment with it Jelf, will be thereby Jufiained Quiet and Motion lejs in its prefer Place, and’twi.ll be fuppprted on the other Side in like manner by the do- ping Sides of the Vejfel, nor would the Weight on the Pottom or again ft the fixt Cylindric Sides of this Vejfel be at all in- creafed by the Alteration propofed. It muff however be admitted, that as there is double the Quantity of Matter by Sup po- rtion contained in a Vejfel of this Form that was in the Vejfel ftrft mentioned ; ‘The abfo- lute Weight together will be Proportion able thereto -■ "but then again it muß be confider. id, that this in créafe of Weight and Prejfure affeft only the ßelvimg Sides ofthe’id Vejfel. And as thefe by their Jbifpofition become an inclined liant, they are doubtlefimade to Toear the difference of Weight propofed, which muß be thereby communicated to, and ftp- yorted by the upright Sides of the Cyhndrtc part whereon they Reft-, butonthe Area of the internal Baje and againfi the Sides of the Cylinder within, no more Weight is laid