THE HYDRAULIC PRESS. 



The Hydraulic or Hydrostatic Press is a machine by 

 which a small force may be made to exert a great pressure. 

 Its construction may be understood by the above cut. Two 

 metallic cylinders, A and B, of different sizes, are joined 

 together by a tube K. In the small cylinder there is a 

 piston p which can be moved up and down by the handle 



