...commonly call'd MECHANICAL POWERS or MACHINES : They are Six in Number, as follow, viz. The Lever, the Pulley, the Wheel and Axle, the Inclined Plane, the Wedge, and the Screw. They are call'd Mechanical Powers, becaufe they increafe our Power of moving or raifing heavy Bodies,...

...machines or powers, of which all the more complex engines are conftrufted ; and thefe are the lever, the pulley , the wheel and axle, the inclined plane, the wedge, and the Jcrew. It has been remarked by fome authors, that thefe fix machines may in fact be refolved into two,...

...consist, are called, by way of distinction, the Mechanical Powers. They are six in number, viz. the LEVER, the PULLEY, the WHEEL AND AXLE, the INCLINED PLANE, the WEDGE, and the SCREW. Some authors arc of opinion that we ought only to reckon two simple machines, the lerer and the inclined...

...they are six in number, one or more of which enters into the composition of every machine. The lever, the pulley,, the wheel and axle, the inclined plane, the wedge, and the screw. In order to understand the power of a machine, there are four things to be considered. 1st. The power...

...during half an hour or an hour, boys may become acquainted with the nature and properties of the lever, the pulley, the wheel and axle, the inclined plane, the wedge and the screw ; and it cannot but surprise and delight them to learn that the multiform operations of machinery, however...

...WEIGHT. MRS. B. WE may now proceed to examine the mechanical powers ; they are six in number : The lever, the pulley, the wheel and axle, the inclined plane, the wedge and the serez«;\one or more of which enters into the composition of every machine. A mechanical power is an...

...resistances as his natural strength could never effect without them. They are six in number, the lever, the pulley, the wheel and axle, the inclined plane, the wedge, and the screw, one or more of which enters into the composition of every machine. In order to understand the power...

...resistances as his natural strength could never effect without them. They are six in number, the lever, the pulley, the wheel and axle, the inclined plane, the wedge, and the screw, one or more of which enters into the composition of every machine. In order to understand the power...

...They are six in number, one or more of which enters into the composition of every machine. The lever, the pulley, the wheel and axle, the inclined plane, the wedge, and the screw. In order to understand the power of a machine, there are four things to be considered. 1st. The power...

...coming Winter it is wonderful how the influence of spring ceases, and the pride of Summer vanishes. By the same. THE MECHANICAL POWERS. These powers are...accomplish several kinds of labor. The names of the three to which the six mechanical powers are reduced, are, first, the lever, including the lever and...