| 
                 | 
        |||||||
Brown - figure 488 | 
        |||||||
|---|---|---|---|---|---|---|---|
                
                
                     
                
                 Click pentru a mări
             | 
            
                Description
                 Screw propeller. The blades are sections of a screw-thread, and their revolution in the water has the same effect as the working of a screw in a nut, producing motion in the direction of the axis and so propelling the vessel.  | 
        ||||||
| Linked items | |||||||
  | 
        |||||||
| Permanent links | |||||||
| 
                 | 
        |||||||
| Data provider | |||||||
| 
                 | 
        |||||||
    





                