Hydraulics
Hydraulic Press Model Hydraulic Turbine Model
Hydraulic Press Model
this model shows how a hydraulic system transmits pressure and magnifies forces.  The hand lever can generate a pressure large enough to bend small model rods.  Comes with a built-in pressure gauge, metal rods, molds and hydraulic oil.
  No. SF223-HP  Only $129.95
Hydraulic Turbine Model
Dramatically illustrates how a turbine engine turns the motion of a fluid into rotational energy.  In this engine, water falling through a ring of stationary blades plays on the blades of a rotating wheel (rotor). Clear construction allows users to see the action.
  No. SF223-HT.  Only $49.95